Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente - NBC Sports
For the 'Great One'; Pirates, MLB honor Roberto Clemente
Pittsburgh Pirates Celebrate Roberto Clemente Day By Wearing His Number
Pirates to once again wear No. 21 for Roberto Clemente Day
Yankees help pay tribute to former Pirates great Roberto Clemente - Newsday
To Honor Roberto Clemente, MLB Expands List of Who Can Wear No. 21 - Sports - Remezcla
Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News
Pittsburgh Pirates to wear No. 21 on Roberto Clemente Day
Yankees rally in the ninth to slip past the Pittsburgh Pirates 7-5 on Roberto Clemente Day