Before some Major Leaguers were flashed on highlight reels, they were cast members on the biggest sports stage in the world: the Olympics. Although baseball didn't officially become a medal-earning sport until 1992, sluggers have competed at 12 Olympiads, dating to 1904. However, this year may be baseball's last run as it was cut from the 2012 Games in London. Anticipating a possible baseball finale, here's a look at some familiar major leaguers who played in the Olympics.