Roberto Clemente - Wikipedia
Francisco Lindor, Carlos Carrasco help Mets snap streak against Pirates
Puerto Rican players follow Pirates' push to wear No. 21, celebrate Roberto Clemente
Roberto Clemente Day to Be Held Throughout MLB on Thursday – NBC Bay Area
Report: Puerto Rican MLB Players Allowed to Wear No. 21 on Roberto Clemente Day, News, Scores, Highlights, Stats, and Rumors
Cardinals, Reds celebrate Roberto Clemente Day
Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News
It's going to be unbelievable': Pirates psyched to honor Roberto Clemente by donning No. 21 next week
For the 'Great One'; Pirates, MLB honor Roberto Clemente - The San Diego Union-Tribune
Roberto Clemente Award winners to wear cap patch
Yankees rally in the ninth to slip past the Pittsburgh Pirates 7-5 on Roberto Clemente Day
Remembering the life and legacy of #21 on Roberto Clemente Day
A's Vimael Machin 'honored' to wear No. 21 on Roberto Clemente Day