At age 20 Rosario was selected for the baseball team that represented Puerto Rico at the 1959 Pan American Games held in Chicago, Illinois. This was a historical fact because it was the first time that a Puerto Rico baseball team participated in the Pan Am Games. ′′Chago′′, as his teammates dubbed him, helped offensively and defensively his team, which won a silver medal in the event as a runner-up for the Venezuelan squad.\n', '

Rosario was signed originally by the St. Louis Cardinals as an amateur free agent in 1960 and was sent to the Athletics in 1964. He hit a .235 batting average in 81 games for the Athletics, 47 of them in pinch-hitting duties.\n', '

He also spent parts of nine minor leagues spanning 1961–1971, collecting a .275 average with 49 home runs and 332 runs batted in through 1091 games. After that, he joined the Mexican League from 1973 through 1976, and also was a member of the Leones de Ponce Puerto Rican team that clinched the 1972 Caribbean Series.\n', '

Return to Santiago Rosario Autograph Profile