Sports 1.9 percent body fat? How NFL prospect D.K. Metcalf’s physique became viral phenomenon March 2, 2019March 2, 2019Nate Davis, USA TODAYComments Off on 1.9 percent body fat? How NFL prospect D.K. Metcalf’s physique became viral phenomenon D.K. Metcalf never caught more than 40 passes in college, but he has been one of the buzziest players at the NFL scouting combine.