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“I think in 10 years, like, I'd be short NFL right now if I were a betting man, because I think we're gonna start taking a harder and harder look at the consequences of playing American football.”

“The average twelve-year-old Madden fanatic has seen more professional football plays develop visually than probably a pro football Hall of Famer in the sixties did.”

“If you could take a drug that would guarantee you an Olympic gold medal, but you would die in five years, would you take it? And crazy percentages said yes. Like, 80, 90% said yes.”

“Negative, high correlation with injury and negative correlation with elite success later in life, is the short answer.”

“There are people who have won world championships in the high jump three years after they high jumped for the first time.”

“There are people who won Olympic rowing gold medals two years after sitting in a boat for the first time.”

“I got a chance to meet Ashton Eaton, who's the world record holder in the decathlon for this book, and we actually went for a run, and we ran like two miles. And it's the longest run he'd done in five years.”

“So, none of the US team sports has allowed any of that yet. Some of the biggest pushback is from the players' unions.”

“What's interesting is that curve's starting to flatten out a little bit.”

“Every member of the team ran faster. Every member of the team shot free throws better. Every member of the team shot three-pointers better.”

“Most teams over the course of the season, their plate discipline decreases. Teams will swing at worst pitches over the course of the year. The Giants, so I don't have data for 2014. In 2012, the Giants plate discipline got better over the course of the season.”

“The latest research is that that's probably not true, because at that moment that I can't do that last rep, only 40% of the muscle fibers in that muscle are firing.”

“We're actually really far behind in the U.S. On a lot of this, and so seeing some of the things that have happened in Australia and the U.K. Make their way into major U.S. Team sports, I think we're going to see a lot of changes in NBA, NFL.”

“But generally, as a population, elite athletes do live longer than the rest of us, even with what their bodies have been put through.”

“If you're a seven foot tall American male, you have roughly a 25% chance of playing in the National Basketball Association. If you are a six-six, which again, is really tall, you have like a .2% chance of playing in the NBA.”

“Over the past hundred years, our performance, if you look at things like the hundred meter freestyle were 49% faster than we were in 19 oh nine.”

“Some women's field events are actually, we've had more than a hundred percent performance improvement in those events.”

“There's a guy named Phil Wagner who runs a gym called Sparta Sports Science and he works with started working with a lot of baseball players. He also worked a lot with Jeremy Lin before Lin Sanity. He sort of rebuilt Jeremy as an athlete.”

“Peter Vint, who works at the USSC, works with some NBA teams, and they now practice free throws just like that. Like, they're doing a drill, or they're doing something else, and the coach We'll grab a player, and he'll go and shoot two free throws and go back …”

“Sport View, which is a system in the NBA that captures three-dimensional positional data on every player in the ball and officials 25 times a second during a game.”

“Eight percent of athletes who competed in London got sick during the Olympics.”