Roberto Clemente - Wikipedia
MLB names 30 team nominees for Roberto Clemente Award - ESPN
September 15, 2021
ESPN: MLB to allow Pirates, Puerto Rican players, award nominees
Houston Astros: 8 players don No. 21 on Roberto Clemente Day
Uniform number (Major League Baseball) - Wikipedia
MLB offseason tracker: Blue Jays add Chad Green to bullpen
Roberto Clemente's impact on Latin America still being celebrated
MLB allows Puerto Rican players to wear No. 21 on Roberto Clemente
Rays start 9 Latin American players, rout Blue Jays 11-0 - WTOP News
Hispanic Heritage Month: Roberto Clemente tops list of baseball's
MLB gets it right with Roberto Clemente No. 21 jersey policy
Rivera] League source confirms league-wide retirement of Roberto
Tampa Bay Rays News & Links: Happy Roberto Clemente Day! - DRaysBay
MLB Roberto Clemente Award winners new patch - TSN.ca