Roberto Clemente Day Serves as Another Reminder to Retire No. 21
Mariano Rivera told us today that he hopes Roberto Clemente's Number 2
Dodgers' Justin Turner wins Roberto Clemente Award : r/baseball
Honor a Legacy, Not a Number - The New York Times
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Living out the legacy: Curve retire No. 21 as reminder of Clemente's greatness
Black and Gold: Baseball should retire Roberto Clemente's No. 21
Hank Aaron's name was No. 1 alphabetically til Giants rookie debuted
Campaign To Retire Roberto Clemente's No. 21 Throughout MLB Gains Traction
Pirates walk off on Roberto Clemente Day as push to retire his No. 21 continues
Petition · Retire Roberto Clemente's Number 21 from Major League Baseball ·
High and Tight: Our Rock & Roll Baseball Experts Talk Retired Numbers