Surrounded by enthusiastic cheers from the crowd, Petty Officer 3rd Class Nathaniel R. Leoncio, a hospital corpsman throws one of the games opening pitches prior to game start between the Florida Marlins and the San Diego Padres at PETCO Park, July 4. Leoncio suffered injuries including a severed leg while serving as the medic for a Marine unit on patrol in southern Ramadi, Iraq.