Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN
Rays Star Calls Wearing No. 21 on Roberto Clemente Day 'An Honor
Puerto Rican players follow Pirates' push to wear No. 21, celebrate Roberto Clemente
Why are MLB players wearing 21? Tributes around the league for Pirates legend explained
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All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of Roberto Clemente – SportsLogos.Net News
Roberto Clemente, A for Athlete
MLB - Today, we celebrate the everlasting legacy of Roberto Clemente. #ClementeDay
Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN
Major League Baseball (MLB) will continue to honor Roberto Clemente in its own way and in perpetuity. – Latino Sports
MLB's Puerto Rican-born players honor Roberto Clemente by wearing 21
MLB - Today and every September 15th going forward, we will celebrate the life and legacy of Roberto Clemente. #ClementeDay
