583: St. Louis Cardinals slugger Mark McGwire clubs one during the Grapefruit League season-opener against the Baltimore Orioles at Roger Dean Stadium in Jupiter, Fla., on March 2, 2001. McGwire, who once appeared as himself on an episode of The Simpsons, is rumored to be a fantastic golfer and is even said to be planning to join the senior PGA tour when he turns 50 in 2013. (Roberto Borea/AP Photo)