Article
15 minute read 07 December 2020

The hyperquantified athlete: Technology, measurement, and the business of sports

TMT Predictions 2021

15 minute read 07 December 2020
David Jarvis

David Jarvis

United States

Kevin Westcott

Kevin Westcott

United States

Dan Jones

Dan Jones

United Kingdom

Technologies for measuring athletes’ health and performance are transforming how they train, compete, and manage their careers. But this explosion of athlete data is raising new questions about how best to use it—and how to do so ethically.

From cricket to hockey, baseball to basketball, the digital transformation of sports is in full swing. Clubs, teams, leagues, broadcasters, venue operators, and athletes increasingly see the value in analytics and are working to realize that value. Technologies such as computer vision, machine learning, advanced wireless connectivity, and wearable sensors are transforming how athletes train, compete, and manage their careers. This explosion of data, however, is raising new questions about how best to use it—and how to do so ethically. To begin to address such concerns, we predict that by the end of 2021, multiple professional sports leagues will establish new formal policies around the collection, use, and commercialization of player data.

Data is fundamentally changing sports

If measuring something in sports is conceivable, chances are that someone, somewhere is already measuring it. Hundreds of different metrics can be analyzed today through video analytics and wearables such as harnesses, sleeves, bands, straps, rings, and smart fabrics. Over the past decade, the use of analytics in sports has slowly transformed everything from how talent is identified and assessed to how athletes are trained and managed to how games are played on the field, court, and pitch.1 The data and analytics revolution has begun to blur the boundaries between many disparate areas of sports, including esports, virtual sports, gaming, broadcasting, fantasy sports, betting, and the live-venue experience. As the use of data and analytics in sports matures, the industry will likely have to address issues about not just the enabling technology, but also increasingly about data rights management, privacy, regulations, monetization, and new ways to experience sports. 

Almost all of the world’s major professional sports teams have one or more analytics experts on staff with the mandate to find any advantage that can improve the team’s chances of winning. In basketball, video capture and analysis have yielded insights that have led to more three-point shots and a greater emphasis on player-load management. In baseball, intensive statistical analysis of what works and what doesn’t has dramatically changed pitcher management, increased the use of the “shift,” and replaced small ball with swinging for the fences. Similar analyses now inform how American football teams approach fourth downs and the way soccer teams select shots.

The difference today is that data collection and analysis are becoming increasingly real-time, and it is happening not just on the field and in the gym but around the clock. Further, it is now possible to measure indicators inside as well as outside the body; new layers of positional, biometric, and biomechanical data are creating hundreds of new metrics to feed into decision-making. Finally, advancements in computing power, cloud technology, machine learning algorithms, and high-speed video capabilities are enabling ever more powerful ways to collect and crunch the numbers. In this era of the hyperquantified athlete, the increasingly urgent question is how to get from data collection (which is easy) to actionable insight (which is hard) to potential monetization (which is really hard)—all the while protecting athletes’ rights, ensuring fair play and competitiveness, and meeting the financial needs of leagues, players, and owners.

Performing in a pandemic

Sports leagues and teams continue to struggle to define their new normal during the COVID-19 pandemic. Leagues of all kinds have modified when, where, and how they play in their efforts to keep their players, coaches, and staff safe and healthy. Some teams are using bubbles (single-site tournaments) to continue play with no live fans, or relying on limited travel and strict behavioral protocols. But many are also leveraging new technologies to provide an extra level of defense.

In the United States, both the National Basketball Association (NBA) and Women’s National Basketball Association (WNBA) have offered their players the use of Oura rings to wear during their tournaments in Florida to help monitor their body temperature and respiratory and heart rates as a way to determine health risk.2 A similar technology has been used with promising results by golf’s PGA Tour. One player, using a Whoop fitness tracker strap, noticed significant changes in his respiratory rate while he was sleeping, prompting him to get a COVID-19 test despite being symptom-free.3 He tested positive and removed himself from competition, potentially protecting other players. Whoop straps have now been made widely available to the Tour’s players. The German Football Bundesliga as well as the United States’ National Football League (NFL) and NBA are using devices to monitor social distancing and enable contact tracing.4

These technologies existed prior to the pandemic, but COVID-19 has accelerated their use, giving them the opportunity to prove themselves on the public stage. Athletes are becoming more comfortable with tracking technology as they come to appreciate having more insight into and control over their health and performance. Teams and leagues, meanwhile, have welcomed having additional data to inform health and safety decisions. 

Going forward, the COVID-19–driven influx of monitoring technology into sports poses some thought-provoking questions. Will athletes let their organizations increasingly track their health and wellness data in addition to their performance data? Will they accept being continuously monitored while they sleep and relax as well as on the field? After this current pandemic, could monitoring help with outbreaks of other communicable diseases in the locker room? These and similar issues point to the growing need for dialogue and governance over professional sports’ practices around collecting and using athlete data.

The state of play

For purposes of this article, we will focus on two main types of data that are typically collected from athletes:

Positional/tracking data. Positional/tracking indicators measure, in three dimensions, exactly where a player—or ball, puck, or other object—is located on a field or court. This data can include metrics such as position, acceleration, lateral motion, speed, jump height, and other measures. The data is collected either through video analytics or by sensors in combination with global satellite positioning systems and ground-based wireless networks.  

Biometric data. Biometric data refers to any kind of biological information from an individual player. These metrics could include everything from pulse rate and blood glucose or oxygen levels to sweat rate and sleep rhythms. Some biometric measurements, such as heart rate, have been used for decades; now, through digital sensors and ubiquitous low-latency communication networks, many more measurements can be made, in more physical locations, at a greater speed.

The market for quantifying athletes is both diverse and fragmented, with a broad range of options for sensor technology, computing power, data storage, and advanced analytics. Purveyors of these technologies range from “sport tech” companies such as Catapult, KINEXON, Stats Perform, and Zebra to tech giants such as Amazon Web Services, IBM, and SAP, as well as a plethora of startups. The broader sports tech market has also seen a great deal of venture capital interest in recent years, with over 3,000 global deals and funding rounds between 2014 and late 2019.5

Most, if not all, of the world’s major sports leagues are using these technologies and techniques in various ways. In doing so, they are expanding their view beyond just the technology to how they balance the technology’s use with players’ and coaches’ needs. For example: 

• Beginning in 2014, the NFL began using radiofrequency identification (RFID) tags in players’ shoulder pads, balls, and various areas of the field.6 Each team is provided their own raw data from that system to analyze and use as they see fit. 

• The National Hockey League (NHL) has been experimenting with puck and player tracking for years. After demonstrating the latest iteration of these technologies at its 2020 all-star game, the league is beginning to incorporate them fully.7

• Players in the Australian Football League have been using positional sensors and heart rate monitors during games for the last few years.8 They even use the data to make in-game adjustments. 

• In 2017, Major League Baseball (MLB) approved the use of Whoop straps by players on a voluntary basis to track information that they can use later to better understand their performance.9 This is in addition to other approved wearables that allow players to measure factors such as arm stress.10 

Powering performance at the United States Olympic & Paralympic Committee

Scott Riewald is the senior director for high-performance projects at the United States Olympic & Paralympic Committee (USOPC). His job is to build capabilities for and to improve the collaboration between the technology, innovation, and data and analytics teams throughout the USPOC. He has been strengthening connections between these different groups and, in his words, is now “pulling those threads to bring everybody closer together to create a unified approach of how we use data to support Olympic and Paralympic athletes.”11

Five years ago, the USOPC realized that it was not where they wanted and needed to be with regard to data and analytics, and made the strategic decision to focus on the opportunity to expand these capabilities. The USOPC works with thousands of elite athletes in scores of different sports, giving the organization access to expansive data sets that create opportunities to discover “hidden insights.”12 Riewald and the USOPC also work with the various Olympic and Paralympic sports’ National Governing Bodies to establish best practices, provide more consistency around data and analytics, and recommend which technologies to use.

The USOPC utilizes its Athlete 360 performance management platform to collect and analyze athlete data. This system was designed to be device-agnostic so that data from different sports from different sources and different pieces of technology (such as wearable sensors) can be easily aggregated. In the next two to three years, Riewald and the USOPC aim to be able to capture more data in a less invasive manner. As an example, Riewald points to the skin-mounted electronics pioneered by the Rogers Research Group at Northwestern’s McCormick School of Engineering.13 These devices, when placed on athletes, can noninvasively measure performance-impacting indicators such as sweat rate, electrolyte loss, and blood glucose levels.

As its capabilities mature, the USOPC is looking beyond simple data collection and integration in the quest to uncover meaningful and impactful insights for all athletes. Riewald wants to use data to better understand causality—what performance measures preceded a particular result—to better define the “pathways to success.”14 His team works hard to make athletes and coaches understand that data collection and analysis are important. They want to make the value proposition clear, convey information so it drives curiosity, and, ultimately, help drive positive behavioral changes. Riewald emphasizes: “Thinking about ways in which you can convey information in order to achieve behavioral change is what underpins what you’re trying to get from data-gathering.”

Riewald is acutely sensitive to these developments’ implications for privacy, security, and ethics. Every day, more and more technology becomes available to monitor more and more aspects of an athlete’s life. Trainers and coaches can potentially track everything about an athlete every minute of the day. To balance the benefits against the risks, Riewald says, organizations need a clear reason to monitor athletes and must prove its value to the person being monitored. He warns: “Just because you can measure something doesn’t mean that you should. I really believe that we walk a fine line here. We want to provide relevant data that positively impacts athlete health and performance, without doing so much that we risk athletes and coaching going into data overload.”15

A competitive edge though hyperquantification

The famous cycling coach Sir Dave Brailsford once said, “It struck me that we should think small, not big, and adopt a philosophy of continuous improvement through the aggregation of marginal gains.”16 Hyperquantification is helping teams, leagues, and players discover these gains across the life cycle of their sport—talent identification, training, pregame preparation, game play, postgame analysis, and rest and recovery. Of these, three areas that could see further innovation in the near future are: 

Talent identification.If a team is going to make a significant financial investment in a player, it wants to be confident that the player has the skills, raw physical ability, medical profile, and mental makeup to succeed. This process is becoming more virtual, especially in the wake of COVID-19. In addition to traditional in-person assessments, teams are increasingly using automated video analysis and positional and tracking data in their scouting. These advances have helped to expand the pool of potential professional players to include those that scouts may not be able to travel to see. For example, one pro football hopeful could not attend traditional scouting events due to personal injury and the COVID-19 pandemic, so he submitted his player-tracking data from college games to prove his speed in a real-world environment.17 In the near future, more biometric data will likely be added to the mix to augment medical data for predicting long-term performance. One day, teams could have access to a player’s biometric data from his or her participation in youth sports through high school and college programs. While data is unlikely to completely replace traditional evaluative methods, it is poised to provide another set of objective measures that will likely become more and more important.

In-game decision-making. Today, most biometric data collection and analysis happen during training and practice, or to help with postgame evaluations. Its use is still not widespread in actual games, and even if in-game data is collected, it typically is not used for any immediate coaching decisions. In fact, some leagues prohibit the in-game collection and use of biometrics unless explicitly approved by the league. On the other hand, in-game positional and tracking data is already widely used. Leagues such as the NFL, NHL, and the Mexican football league Liga MX have all done this to some extent, and they have gained better insight into how game strategies are working.18 As teams gain more experience and data collection becomes easier and analysis faster, real-time analytics that guide how coaches and managers direct their teams may come into wider play, identifying who might be at risk of injury, who is getting close to exhaustion, who might be out of position, and who may be primed to make a big play. 

Injury reduction.The holy grail for many athletes and teams is being able to predict when conditions may heighten the risk of injury. For teams, it means more wins and more revenue; for athletes, it means having information that can help them extend their careers—and earnings potential—as much as possible. Predicting injuries more effectively requires measures that help balance exertion and strain with the proper amount of recovery time and sleep. The potential benefits are vast: One study estimated that the NFL lost more than US$500 million in 2019 due to injuries.19 It’s no wonder that the NFL recently partnered with Amazon Web Services to use machine learning and computer vision technologies, powered by multiple different data sets, to gain insight into head and other injuries.20

From measuring to monetizing

The hyperquantification of athletes can provide more efficient training, improve competitiveness, and increase the likelihood that star athletes stay healthy—benefits that, as organizations well know, can potentially lead to higher attendance, more sponsorships, and greater broadcast viewership. 

What may be significantly harder is to figure out how this digital revolution can create new revenue streams for teams, leagues, and players themselves. Although innovations are taking place in smaller sports, many major leagues are just starting to test how they can monetize players’ biometric and positional data, with some leagues even banning the commercialization of player data. There is still much to be done to establish clear data-ownership policies, provide equitable revenue distribution, and ensure player protections. But the potential for monetizing player performance data is so great that it will likely encourage the involved parties to begin addressing these concerns in the short to medium term.

We see several areas for experimentation and innovation over the next few years:

Fan engagement.Leagues and players’ associations can work with broadcasters and venue operators to use player data to improve the fan experience and create new ways for fans to engage with sports and athletes. This could lead to new direct-revenue streams, generate new marketing and sponsorship opportunities, and/or have a halo effect on already established revenue streams. For example, the Professional Squash Association (PSA), working with Sports Data Labs, tracks and displays players’ heart rates in real time during broadcasts.21 The goal is to give fans a better understanding of the game’s athleticism as well as create more excitement around the gameplay; any revenue generated through the biometric data is shared among the league, players, and partners.22 Similarly, the handball league LIQUI MOLY Handball-Bundesliga has teamed up with KINEXON and Content Stadium to stream real-time player performance information in stadiums and across social media platforms.23

Licensing.Another way for players and leagues to make money is by licensing player data to organizations such as fantasy sports leagues, sportsbook companies, broadcasters, and health and fitness companies. In 2017, the NFL Players Association came to an agreement with Whoop that, among other things, allowed players to sell their personal health data collected by the wearable.24 Many leagues already have strategic partnerships with sportsbooks, such as the PGA Tour with DraftKings and the NBA with William Hill, laying the groundwork for emerging opportunities.25 Other types of opportunities also exist: During its short life, the Alliance of American Football, in partnership with MGM, was developing an application that would enable betting during games where odds would be adjusted based on data from player wearables.26

One league that sees such opportunities clearly is the WNBA. In its recently enacted collective bargaining agreement with players, they recognized the potential for data collection and use, saying that “the use of wearables and other in-game technology provides a unique opportunity for the WNBA with respect to enhanced broadcasts, differentiated fan experiences, player health, and revenue generation.”27

Key matchups

Any opportunity to improve athlete performance or to increase the amount of money in sports is clearly extremely appealing. However, no emerging technology or change in approach is without consequences, some expected, some not. We see three critical areas that should be addressed if hyperquantification is to come into its own:

Quantity vs. quality.Coaches and their staffs have traditionally relied on gut feel and experience. Even today, some use analytics more widely than others, striking their own balance between data and instinct. With new positional and biometric data added to the mix, the analytics becomes more complex and the insights harder to communicate. To heighten the data’s utility, much work should be done to determine what measures are most critical—what data will truly make a difference, and what will merely create noise in the system. There is also debate over whether to believe the data over seeing results with one’s own eyes. Are there ways to properly quantify the magic of once-in-a-generation players? Finally, some worry that overanalysis will lead to a less entertaining product for fans, essentially “ruining” sports. For example, in MLB, longer games and less action (more strikeouts and home runs) can be attributed to the extensive use of analytics.28

Performance vs. privacy.Questions abound about who ultimately owns player data, including any sensitive health information that teams could collect. A number of professional sports leagues in the United States have established guidance and rules around this issue in their collective bargaining agreements with players’ associations. These rules specify how player data can be collected, whether or not its collection and use is voluntary, how it will be protected, and how it can be used. Some leagues have also established sensor and wearable committees that approve device and data use. For example, the NFL states that “each individual player owns his personal data collected by sensors,”29 while the NBA’s collective bargaining agreement says that “a player will have full access to all data collected on him from approved wearables.”30 But although these agreements do afford some protections and benefits, the speed of technology development and the rapid evolution of potential commercial opportunities are not necessarily compatible with the long-term nature of collective bargaining agreements, which last years. 

A focal point in this debate is what is best for players. Many athletes are uneasy about using wearables to collect their data, especially biometric data. Some feel like they are part of a laboratory experiment, while others worry that, even though such use is prohibited, biometric data collection could bias contract negotiations. Some also voice concerns that required data collection will increasingly encroach on activities outside of work, such as sleeping. An example of this conflict is “Project Red Card”: A group of hundreds of former and current soccer players in the United Kingdom are suing sportsbooks and data-processing companies, claiming that they have illegally profited from player statistics.31 The details of this lawsuit are still emerging, but the results could eventually shape how many types of player data can be commercialized, as well as who ultimately profits.

Betting vs. banning.By some estimates, the global sports betting market is predicted to top US$150 billion by 2024.32 With the 2018 repeal of the Professional and Amateur Sports Protection Act in the United States, and the legalization of sports gambling by many US states, American leagues in particular are hungry to tap into new revenue sources.33 One of the emerging issues in this space is the potential for using individual athlete data for bets, either through using biometric and positional data to set odds, or by betting on specific measures such as pulse, top speed, and acceleration.34 Such uses could generate substantial pushback from players, who may see it as a gross invasion of privacy—but it could be a different story if they could significantly profit from it. The state of Illinois has gotten ahead of the curve by banning the use of biometrics in sports betting unless the relevant players’ association gives permission.35 Even though the desire for this type of wagering exists, the devil is in the details, and players, leagues, unions, legislators, and commercial businesses should all come to the table to decide what is best.  

The bottom line

In the near future, it may become commonplace for fans sitting in a stadium or arena to look up at the scoreboard and see players’ top speeds in real time, or a ranked list of players’ level of physical exertion during the game. The same information could also be broadcast to viewers at home and streamed on social media. Fans, both at home and in person, could use their mobile devices to place a bet in real or virtual currency on the outcome of the next play, with the odds influenced by positional and biometric data. Ideally, this would all be backstopped by robust agreements among all involved that guarantee voluntary collection of data, protect players’ rights, provide for proper data security and privacy, and set out detailed licensing and compensation rules.  

These issues should be approached with great care, as the emerging hyperquantification landscape has the potential to become much more complex in the near future. As Yogi Berra once famously said, “If you don’t know where you are going, you might wind up someplace else.” Critical open questions include:

• How will advances in computer vision such as automated video analysis, sensor technologies, and machine learning accelerate the state of the art?

• Would players benefit enough financially from sharing their personal and performance data to entice them to do so?

• Will a standard agreement emerge between players and leagues across sports around the collection, use, and monetization of private and sensitive information?

• How will performance data ultimately be used to enhance the in-stadium and remote fan experience?

For the hyperquantification of sports to succeed, the athlete should be at the center of every decision and conversation. Athletes, trainers, coaches, player agents and representatives, and business leaders should become knowledgeable about the enabling technologies and their responsible use. Those collecting and using the data should convincingly demonstrate and effectively communicate its value. Athletes should see that it is in their best interest to share their data and allow for its thoughtful application. Above all, it is critical that trust be built and maintained among all parties. Without it, the potential gains may never be fully realized. 

  1. Ben Cohen, Jared Diamond, and Andrew Beaton, “The decade when numbers broke sports ,” Wall Street Journal, December 19, 2019.View in Article
  2. Oura Health, “Oura partners with WNBA for 2020 season ,” press release, Business Wire, July 30, 2020; Nicole Wetsman, “There’s unproven tech in the NBA’s COVID-19 prevention plan ,” Verge, July 31, 2020; Andrew Cohen, “NBA offers players smart rings to search for signs of COVID-19 ,” SportTechie, June 18, 2020.View in Article
  3. Jessica Golden, “PGA Tour procures 1,000 smart bands to help detect coronavirus symptoms in golfers ,” CNBC,  June 24 2020; Will Ahmed, “Podcast No. 80: Pro golfer Nick Watney on how WHOOP warned him of COVID-19 ,” Whoop, June 27, 2020.View in Article
  4. Jessica Golden, “Here’s the device the NFL and NBA are using for coronavirus contact tracing and social distancing ,” CNBC, July 21, 2020; KINEXON, “How KINEXON technology contributes to the restart in German professional sports ,” June 8, 2020.View in Article
  5. Michael Long, “Sports tech investment: Where are the venture capitalists spending their money? ,” SportsPro, January 30, 2020.View in Article
  6. NFL OPS, “NFL next gen stats ,” accessed August 31, 2020.View in Article
  7. Laine Higgins, “Big data is coming to the National Hockey League ,” Wall Street Journal, October 10, 2019.View in Article
  8. Niall Seewang, “Why Australia leads sports world in wearable technology ,” ESPN, June 15, 2016.View in Article
  9. Darren Rovell, “MLB approves device to measure biometrics of players ,” ESPN, March 6, 2017.View in Article
  10. Taylor Bloom, “Major League Baseball will now allow players to use two specific wearables during games ,” SportTechie, April 6, 2016.View in Article
  11. Scott Riewald (senior director for high-performance projects, United States Olympic and Paralympic Committee), interview with authors, August 20, 2020.View in Article
  12. Ibid.View in Article
  13. Northwestern University, “Rogers Research Group ,” accessed August 31, 2020.  View in Article
  14. Riewald interview.View in Article
  15. Ibid.View in Article
  16. Eben Harrell, “How 1% performance improvements led to Olympic gold ,” Harvard Business Review, October 30, 2015.View in Article
  17. Joe Lemire, “Scouting in the NFL may never be the same ,” SportTechie, April 22, 2020.View in Article
  18. Joe Lemire, “Wimu Pro wearable grows to all levels of elite Mexican soccer ,” SportTechie, June 6, 2019.View in Article
  19. Teresa M. Walker and Larry Fenn, “AP analysis: NFL teams lost over $500M to injuries in 2019 ,” Associated Press, January 29, 2020.View in Article
  20. Andrew Beaton, “The NFL wants to better predict injuries ,” Wall Street Journal, December 5, 2019.View in Article
  21. PSA, “New biometric data suggests squash could be world's toughest racket sport ,” April 6, 2018.View in Article
  22. Mary Bates, “The rise of biometrics in sports ,” IEEE Pulse, June 29, 2020.View in Article
  23. KINEXON, “KINEXON and Content Stadium transform real-time data to real-time content ,” October 14, 2019.View in Article
  24. Mark Van Deusen, “Empowering players with data ownership ,” Whoop, April 28, 2017.View in Article
  25. NBA, “NBA announces sports betting partnership with William Hill ,” press release, October 2, 2019; PGA TOUR, “DraftKings becomes PGA TOUR’s first official betting operator ,” July 28, 2020.  View in Article
  26. Darren Rovell, “Alliance of American Football will have enhanced in-game betting ,” ESPN, September 10, 2018.View in Article
  27. Women’s National Basketball Association, Collective bargaining agreement, January 17, 2020.View in Article
  28. Brian Costa and Jared Diamond, “The downside of baseball’s data revolution—long games, less action ,” Wall Street Journal, October 3, 2017.View in Article
  29. NFL, Collective bargaining agreement, 2020.View in Article
  30. NBA, Collective bargaining agreement, January 19, 2017.View in Article
  31. David Ornstein, “Players to sue for hundreds of millions over use of their statistics ,” The Athletic, July 26, 2020.View in Article
  32. Globe Newswire, “Global sports betting market size & share will reach USD 155.49 billion By 2024: Zion Market Research ,” August 29, 2019.View in Article
  33. Brent Kendall, Chris Kirkham, and Andrew Beaton, “Supreme Court ruling for New Jersey opens door to sports betting ,” Wall Street Journal, May 14, 2018.View in Article
  34. Brant James, “Biometrics: Currency, conundrum in sports betting future ,” Gambling.com, November 30, 2018.View in Article
  35. Jacob Gershman, “The brave new world of betting on athletes’ data ,” Wall Street Journal, March 10, 2020.
    View in Article

Cover image by: Christian Gralingen 

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