MLB's Pirates will honor Roberto Clemente by wearing his number

For the 'Great One'; Pirates, MLB honor Roberto Clemente

For Many Latino Players, Roberto Clemente's Number Is Off Limits, Too - The New York Times

For the 'Great One'; Pirates, MLB honor Roberto Clemente

Tampa Bay Rays honor Roberto Clemente by starting nine Latin American position players - The Boston Globe

Pittsburgh Pirates to wear No. 21 on sept 9 to honor Roberto Clemente

Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN

Clemente Award winners will have 21 on caps for entire MLB career

MLB's Pirates To Honor Roberto Clemente By Wearing His Number

Pittsburgh Pirates Celebrate Roberto Clemente Day By Wearing His Number

Pirates to once again wear No. 21 for Roberto Clemente Day

Pirates players, coaches honored to wear No. 21 in celebration of Roberto Clemente Day

Baseball celebrates Roberto Clemente Day to honour Puerto Rican legend - World Baseball Softball Confederation

MLB celebrates Roberto Clemente Day

Mets honor Roberto Clemente at Citi Field