This article was originally published on www.si.com/nfl/ravens as Ravens' Derrick Henry Shares Another Viral Workout Video. As with any professional sports league, the NFL is full of athletic freaks.

Derrick Henry couldn't have been more impressive in his Ravens debut last season, but don't tell Derrick Henry that.

Michigan Wolverines running back Justice Haynes has something very special in common with Baltimore Ravens superstar Derrick ...