Houston Astros: 8 players don No. 21 on Roberto Clemente Day
Roberto Clemente's No. 21 is 'retired in our hearts' but not on most MLB rosters - The Athletic
MLB honors Roberto Clemente in 21st annual event
Pirates will wear Roberto Clemente No. 21
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50 years ago: Roberto Clemente dies in plane crash
Hot take: Roberto Clemente Day should be just like Jackie Robinson Day💯⚾️ : r/mlb
Wash sending Braves home after near miss a decade ago
Roberto Clemente - Wikipedia
Highlight Sublimated Player Tee Pittsburgh Pirates Roberto Clemente - Shop Mitchell & Ness Shirts and Apparel Mitchell & Ness Nostalgia Co.
Pittsburgh Pirates each don No. 21 to honor Roberto Clemente - ESPN
MLB honors Roberto Clemente in 21st annual event
Thursday Newsletter time: Jose Trevino reminded of impact ballplayers can have after catching pupil passed away
