Five Astros wear No. 21 on Roberto Clemente Day
Houston Astros: 8 players don No. 21 on Roberto Clemente Day
Opening Day in MLB: New No. 21 patches, NL DHs and Guardians - Seattle Sports
Yadier Molina hits home run while wearing Clemente's No. 21 (Video)
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All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of Roberto Clemente – SportsLogos.Net News
Why some players have No. 21 on back of their baseball caps
Members of Red Sox wear No. 21 with pride on Roberto Clemente Day - The Boston Globe
Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN
MLB celebrates Roberto Clemente Day to commemorate 50 years since the Hall of Famer's passing
Today Is Roberto Clemente Day
Should Roberto Clemente's #21 Be Universally Retired Across MLB?
