Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN
Tampa Bay Rays Win 14th Straight At Home Game
MLB allows Puerto Rican players to wear No. 21 on Roberto Clemente Day - ESPN
Tampa Bay Rays honor Roberto Clemente by starting nine Latin American position players - The Boston Globe
All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of Roberto Clemente – SportsLogos.Net News
Humanitarian Legacy of Roberto Clemente To Be Recognized With Roberto Clemente Award — Inside the Seams
MLB expands list of who can wear No. 21 to honor Roberto Clemente on Sept. 15 - ESPN
ESPN: MLB to allow Pirates, Puerto Rican players, award nominees to wear No. 21 on Roberto Clemente Day
MLB's Puerto Rican-born players honor Roberto Clemente by wearing 21
Rockies' Kyle Freeland nominated for prestigious Roberto Clemente Award - Denver Sports
MLB Celebrates Legacy of Roberto Clemente – Think Blue Planning Committee
Roberto Clemente's impact on Latin America still being celebrated 50 years later - Bucs Dugout