Puerto Rican players follow Pirates' push to wear No. 21, celebrate Roberto Clemente
Mets, Pirates to Wear No. 21 on Clemente Day - Metsmerized Online
For the 'Great One'; Pirates, MLB honor Roberto Clemente
A's Vimael Machin 'honored' to wear No. 21 on Roberto Clemente Day
Pirates Celebrate Roberto Clemente Day, WESB B107.5-FM/1490-AM
All Puerto Rican players can wear 21 on Clemente Day
Pirates, Major League Baseball, Set to Honor the Great One on Clemente Day - Pittsburgh Baseball Now
Roberto Clemente Day: Brent Suter celebrates MLB legend, wears No. 21
Rangers, MLB honor late Hall of Famer Roberto Clemente with uniform patch, jersey numbers
ESPN: MLB to allow Pirates, Puerto Rican players, award nominees to wear No. 21 on Roberto Clemente Day
Clemente Award winners allowed to wear '21' on caps
For the 'Great One'; Pirates, MLB honor Roberto Clemente - The San Diego Union-Tribune