Gilmore Girls star Scott Patterson used to be a professional baseball player when he was younger. He pitched for a few successful teams such as the New York Yankees, the Texas Rangers and the L.A. Dodgers. In 1994 he officially ended his baseball career and started taking acting classes.
Before Ed O'Neill became a TV star, he was a real athlete! He received a football scholarship from Ohio University but transferred after his sophomore year to Youngstown State University, where he played as a defensive lineman. In 1969, he was signed by the Pittsburgh Steelers, but was cut in training camp!
Jason Momoa was extremely athletic in his younger days already. Momoa used to play hockey professionally for a while before he started acting. His body shows that he is still very much into sports...
Jon Hamm had his big breakthrough with the hit series Mad Men. This star almost became a professional football player due to the fact that he was one of the best football players during his time at John Burroughs School, a private school in Ladue, Missouri.