Pirates, MLB honour 'the Great One' Roberto Clemente
Puerto Rican players follow Pirates' push to wear No. 21, celebrate Roberto Clemente
Five Astros wear No. 21 on Roberto Clemente Day
MLB allows Puerto Rican players to wear No. 21 on Roberto Clemente Day - ESPN
MLB expands list of who can wear No. 21 to honor Roberto Clemente on Sept. 15 - ESPN
Pittsburgh Pirates - Today, we celebrate the life and legacy of The Great One. #ClementeDay
HHM 2021 - Roberto Clemente
Puerto Rican Twins don No. 21 in tribute to Roberto Clemente – Twin Cities
Roberto Clemente Day to Be Held Throughout MLB on Thursday – NBC Bay Area
Roberto Clemente Award winners to wear cap patch
Clemente Award winners allowed to wear '21' on caps
Yankees help pay tribute to former Pirates great Roberto Clemente - Newsday
For the 'Great One'; Pirates, MLB honor Roberto Clemente
Oakland A's: Happy Roberto Clemente Day! - Athletics Nation