Roberto Clemente day: Puerto Rican MLB players, Pirates wear No. 21
Pittsburgh Pirates, New York Mets players, coaches to all wear No. 21 on Roberto Clemente Day - ESPN
Ríos, Hernández to wear uniform No. 21 on Roberto Clemente Day, by Rowan Kavner
Yankees help pay tribute to former Pirates great Roberto Clemente - Newsday
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Roberto Clemente remains Latino legend 50 years after death
Yankees rally in the ninth to slip past the Pittsburgh Pirates 7-5 on Roberto Clemente Day
Mets honor Roberto Clemente at Citi Field
A's Vimael Machin 'honored' to wear No. 21 on Roberto Clemente Day
Roberto Clemente Day: Why is Roberto Clemente celebrated and who will receive the Roberto Clemente Award?
Roberto Clemente Day celebrated around MLB in 2023
Pirates Celebrate Roberto Clemente Day, WESB B107.5-FM/1490-AM
