This post was written by Cady Lang and originally appeared on Time.com.
After 21 seasons as one of the NBA's most intense athletes, one might assume that Kevin Garnett knows all there is to know about being at the top of the fitness game — "the Kid," after all, was one of the best defenders in the league, with seemingly boundless energy. It turns out, however, that KG actually learned how to keep up his stamina from none other than the inimitable Beyoncé.
In a charming aside on Bill Simmons' eponymous podcast, Clippers player J.