The Pirates to wear 21 tomorrow (September 15) in honor of Clemente
Pirates, Mets wear 21 on Roberto Clemente Day
Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News
MLB honors Roberto Clemente in 21st annual event
2021 Roberto Clemente Day Through Photos
A Look at MLB's 2021 Roberto Clemente Day Uniforms
Pirates will honour Roberto Clemente by wearing his No. 21 on Clemente Day - Article - Bardown
Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News
A Mystery Surrounding the Roberto Clemente '21' Patch
Pirates to once again wear No. 21 for Roberto Clemente Day
A Look at MLB's 2021 Roberto Clemente Day Uniforms
A Mystery Surrounding the Roberto Clemente '21' Patch