Puerto Rican players follow Pirates' push to wear No. 21
No gentle saint
Uniform number (Major League Baseball) - Wikipedia
50 years after tragic plane crash, Roberto Clemente's incredible
December 31: ¡Arriba Roberto! - Sports Illustrated Vault
A inspiring person and a hero ❤️ #robertoclemente #puertorico
Roberto Clemente and the Latino Ballplayer Experience – Society
December 31: ¡Arriba Roberto! - Sports Illustrated Vault
Roberto Clemente remains Latino legend 50 years after death