(1 Jan 1973) 010273 c0030971 - color san juan, puerto rico: crash of managua supply plane kills baseball star roberto clemente. nxc 46832 sj plane crash .brOn December 31, 1972, Major League baseball player Roberto Clemente, 38, was killed when a plane hed chartered and was traveling on to bring relief .brbrOn the Shoulders of Giants: Roberto Clement During that winter Clemente and his family were in Puerto Rico working on his dream, opening a sports clinic for .brAn American Airlines DC-10 plunges into a lagoon in San Juan, Puerto Rico.