MLB celebrates Roberto Clemente Day
Altoona Curve honors Pirates legend Roberto Clemente, retires No. 21
It's going to be unbelievable': Pirates psyched to honor Roberto Clemente by donning No. 21 next week
Altoona Curve to retire Roberto Clemente's No. 21
Roberto_Clemente
It's time for Roberto Clemente's No. 21 to be retired across baseball - Bucs Dugout
Should MLB retire Roberto Clemente's jersey number?
Altoona Curve to officially retire Roberto Clemente's No. 21 during ceremony Friday
MLB - Today, we remember Roberto Clemente, a great
Roberto Clemente's No. 21 is 'retired in our hearts' but not on most MLB rosters - The Athletic
MLB's Pirates will honor Roberto Clemente by wearing his number
Retiring Clemente's '21': True Recognition for Latinos in the Majors – Society for American Baseball Research