Curve Set to Retire No. 21 In Honor of Roberto Clemente
Detroit Tigers roll over Colorado Rockies, 13-0, in Game 1
Rob Neyer's Big Book of Baseball Legends by Rob Neyer - Ebook
Clemente's #21 will not be retired across MLB despite report
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The Pittsburgh Pirates retire Roberto Clemente's uniform number 21 in a moving pre-game ceremony - This Day In Baseball
Curve to retire No. 21 in honor of Pirates OF Roberto Clemente on July 21, Sports
Tampa Bay Rays honor Roberto Clemente by starting nine Latin American position players - The Boston Globe
Baseball Happenings: Roberto Clemente
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
Jackie Robinson - Wikipedia
50 years after tragic plane crash, Roberto Clemente's incredible legacy only continues to grow
Altoona Curve to retire Roberto Clemente's No. 21
Bob Gibson, fierce Hall of Fame ace for Cards, dies at 84