MLB's Pirates will honor Roberto Clemente by wearing his number
Puerto Rican Twins don No. 21 in tribute to Roberto Clemente – Twin Cities
Roberto Clemente's No. 21 is 'retired in our hearts' but not on most MLB rosters - The Athletic
For the 'Great One': Pirates, MLB honor Roberto Clemente
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Pirates will honour Roberto Clemente by wearing his No. 21 on Clemente Day - Article - Bardown
Roberto Clemente day: Puerto Rican MLB players, Pirates wear No. 21
Pittsburgh Pirates Celebrate Roberto Clemente Day By Wearing His Number
MLB's Pirates will honor Roberto Clemente by wearing his number
MLB allows more players to wear No. 21 to honor Roberto Clemente – NBC Sports Chicago
Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News
MLB expands list of who can wear No. 21 to honor Roberto Clemente on Sept. 15 - ESPN
Rangers, MLB honor late Hall of Famer Roberto Clemente with uniform patch, jersey numbers
