Celebrating Roberto Clemente day : r/baseball
Pirates, MLB honour 'the Great One' Roberto Clemente
Roberto Clemente - Wikipedia
LEADING OFF: Clemente Day in majors; Urías tries for 18
All of MLB's Puerto Rican players can wear No. 21 on Roberto Clemente Day
Francisco lindor sets home run record, win on Roberto Clemente Day
ESPN: MLB to allow Pirates, Puerto Rican players, award nominees to wear No. 21 on Roberto Clemente Day
Demilio: Roberto Clemente Day Serves as Another Reminder to Retire No. 21
For the 'Great One'; Pirates, MLB honor Roberto Clemente
Roberto Clemente day: Puerto Rican MLB players, Pirates wear No. 21
Yankees rally in the ninth to slip past the Pittsburgh Pirates 7-5 on Roberto Clemente Day