Puerto Rican Twins don No. 21 in tribute to Roberto Clemente – Twin Cities
Twins, Royals celebrate Roberto Clemente Day at Target Field
Cardinals, Molina homers wearing 21 on Roberto Clemente Day
Roberto Clemente Remembered as a Humanitarian at Commemoration Held on 50th Anniversary of His Death
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Blue Jays players, personnel wear No. 21 in honour of Roberto Clemente
Dec. 31, 1972: Roberto Clemente Dies - Zinn Education Project
One Birthday we always commemorate, Roberto Clemente – Latino Sports
Retiring Clemente's '21': True Recognition for Latinos in the Majors – Society for American Baseball Research
Roberto Clemente, pioneering Latino player, honored by baseball - The Washington Post
Puerto Rican Twins don No. 21 in tribute to Roberto Clemente - InForum
Roberto Clemente, pioneering Latino player, honored by baseball - The Washington Post
Roberto Clemente, pioneering Latino player, honored by baseball - The Washington Post
Roberto Clemente, pioneering Latino player, honored by baseball - The Washington Post
Report: Puerto Rican MLB Players Allowed to Wear No. 21 on Roberto Clemente Day, News, Scores, Highlights, Stats, and Rumors