Freakonomics Radio

There are a lot of factors that go into greatness, many of which are not obvious. As the Olympics come to a close, we revisit a 2018 episode in which top athletes from a variety of sports tell us how they made it, and what they sacrificed. SOURCES:Lance Armstrong, former professional cyclist.David Canton, director of African American studies and professor of history at the University of Florida.David Epstein, science journalist and author.Domonique Foxworth, former professional football player.Justin Humphries, former professional baseball player.Andre Ingram, professional basketball player.Shawn Johnson, former professional gymnast and Olympian.Steve Levitt, professor of economics at the University of Chicago.Simone Manuel, professional swimmer and Olympian.Brandon McCarthy, former professional baseball player.Mike McGlinchey, offensive tackle for the Denver Broncos.Daryl Morey, president of basketball operations of the Philadelphia 76ers.Lauren Murphy, professional mixed martial artist.Kim Ng, advisor with