Lesson 3 A Game Changer: Using Data in Sports
The Power of Data in Sports
When ____ Oakland Athletics, a Major League Baseball team, won 20 games in a row in 2002, the professional sports industry was shocked.
The ____ Athletics were a small team with limited funds, which made it difficult for them to attract elite players.
How did they do ____
The ____ to their success was adopting sabermetrics, a statistical model used for making decisions in baseball.
Sabermetrics ____ created in the late 1970s.
It tries to ____ large amounts of information to discover patterns, trends, and insights that are difficult to find with traditional ways of studying statistics.
Normally, coaches and ____ prefer players who can hit the ball hard and far, for such players tend to hit more home runs and extra-base hits.
Sabermetrics suggests that players’ offensive skills can be better measured by the frequency ____ which they safely reach base.
It does ____ matter whether this is achieved through hits, walks, or hits by pitch.
Sabermetrics had not been widely used until ____ Athletics adopted it in 2002.
With sabermetrics, the Athletics were able to identify underrated players with ____ contributions to winning and built a strong team on a small budget.
The success of the Athletics prompted other teams ____ quickly adopt sabermetrics, sparking a movement to utilize data not only in baseball but also in other sports.
Thus, sports ____ analytics emerged as a systematic approach to predict game outcomes.
In soccer,
In soccer, the Liverpool Football Club of the English Premier League is ____ to the Oakland Athletics in baseball.
In 2010, Liverpool underwent a ____ in ownership.
While data analysis was already prevailing in the Premier League at that time, the new owner of the club, who also owned a baseball team in the United States, aimed to push data analysis ____ soccer to new heights.
So he demanded that the club form a ____ data team.
The new team included a physicist from Cambridge, a nuclear scientist from ____ and a former chess champion.
What they had in common was significant expertise ____ data.
The team started to apply data ____ in key areas of club management, including player recruitment, injury prevention, and strategy during the game.
The team ____ large amounts of data to recruit players who fit the team’s style of play.
In training, they collected data on players’ movement patterns, heart rates, and vital ____ by using GPS trackers and sensors to prevent injuries.
During games, they used live data to make tactical decisions such as substitutions ____ formations.
The data team was praised for its efforts when the Liverpool Football Club won the league championship for ____ first time in 30 years in 2020.
Korean sports industry
____ emergence of sports analytics did not go unnoticed by the Korean sports industry.
One notable example ____ success is the Korean women’s curling team.
____ its debut at the Winter Olympic Games of 2014, the team recognized the need to enhance its sweeping technique.
____ melts the ice and makes the stone move faster.
If too much ice melts, however, the stone ____ too fast and misses the target.
On the other hand, if not enough ice melts, the stone stops before reaching ____ target.
The amount of ice melting depends on ____ sweeping speed and pressure.
Applying too much ____ slows down the sweeping speed, and focusing only on speed makes it hard to transfer enough force to the broom.
Finding the right balance between ____ and pressure is important to melt the right amount of ice.
____ identify the most effective technique, the Korean team designed a sweeping measurement device.
The device consisted of infrared cameras and sensors ____ to the players’ bodies, shoes, and brooms.
Through the device and motion-capture screens, foot ____ values and other data were obtained for analysis.
After monitoring changes in the temperature of the ice surface, ____ team concluded that speed was more economical than strength for sweeping.
The use of data analysis was critical in the team’s winning of a ____ medal at the 2018 Pyeongchang Winter Olympics.
Korean women’s archery team
____ successful use of sports analytics was not limited to the curling team.
____ Korean women’s archery team had dominated the sport for decades.
However, the team turned to sports analytics to maintain its edge over its rivals ____ preparation for the 2020 Tokyo Olympics.
The team developed a system to monitor players’ heart rates by using advanced visual computing technology to convert facial color variations into ____ rates.
This data was ____ for psychological training to help players maintain stable heart rates during crucial moments.
The team also created an AI coach that helped ____ shooting form.
The team managers requested that the AI ____ edit training videos of the players to assist with practical analysis.
Players and coaches used the ____ videos to analyze the players’ usual habits or weaknesses.
The active use of data analysis by ____ Korean women’s archery team handed them their ninth Olympic gold medal in a row in Tokyo.
____ are still limitations to what data analysis can capture in games.
Factors such as team chemistry, which is related to how ____ people get along, will likely remain difficult to measure.
Similarly, predicting player performance in a match ____ be entirely accurate as players are humans and not machines.
Still, sports analytics is ____ elevating the level of play across various sports, and fans are enjoying this development.