MLB allows more players to wear No. 21 to honor Roberto Clemente
To Honor Roberto Clemente, MLB Expands List of Who Can Wear No. 21 - Sports - Remezcla
Honoring 21: Cubs' Nelson Velázquez proud to take field in honor of relative, Roberto Clemente - Marquee Sports Network
All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of Roberto Clemente – SportsLogos.Net News
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Uniform number (Major League Baseball) - Wikipedia
MLB's Pirates will honor Roberto Clemente by wearing his number
Pittsburgh Pirates to wear No. 21 on Roberto Clemente Day
Carlos Delgado says MLB should retire Roberto Clemente's No. 21
Curve to retire No. 21, honor Roberto Clemente and family
Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente – The Denver Post
Rays again lean into Roberto Clemente Day event
Curve Set to Retire No. 21 In Honor of Roberto Clemente
Lindor, Báez among MLB players honoring Roberto Clemente on Wednesday
MLB allows more players to wear No. 21 to honor Roberto Clemente – NBC Sports Chicago
MLB Celebrates Roberto Clemente Day
