MLB allows more players to wear No. 21 to honor Roberto Clemente
Was Roberto Clemente the Best MLB Player to Wear No. 21?
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MLB's Puerto Rican-born players honor Roberto Clemente by wearing 21
Royals reflect on Roberto Clemente and his global impact
Tampa Bay Rays honor Roberto Clemente by starting nine Latin American position players - The Boston Globe
Pirates, Major League Baseball, Set to Honor the Great One on Clemente Day - Pittsburgh Baseball Now
All of MLB's Puerto Rican players can wear No. 21 on Roberto Clemente Day
Cubs' Javier Baez honored to wear No. 21 on Roberto Clemente Day
Curve to retire No. 21, honor Roberto Clemente and family
MLB Celebrates Roberto Clemente Day
Roberto Clemente as influential as ever 50 years after death - Los Angeles Times
A's Vimael Machin 'honored' to wear No. 21 on Roberto Clemente Day
Pirates players, coaches honored to wear No. 21 in celebration of Roberto Clemente Day
Curve Set to Retire No. 21 In Honor of Roberto Clemente