Mister Clemente's heart

 A stand out player. Twelve time All-Star. All around class act. Inducted into the Baseball Hall of Fame posthumously after his tragic death. Born in Puerto Rico, he was involved in charity work every offseason for those in need in the Caribbean and Latin American countries. Tragically, he died December 31st, 1972 while on the way to one such mission.
To aid the victims of an earthquake in Nicaragua. Also, a Marine Corp Reservist who trained at Parris Island, SC, Camp LeJeune, NC, and in Washington DC.