MLB's Puerto Rican-born players honor Roberto Clemente by wearing 21
Remembering the life and legacy of #21 on Roberto Clemente Day
Pirates to once again wear No. 21 for Roberto Clemente Day
Puerto Rican MLB players can wear number 21 on Clemente Day
Should Roberto Clemente's #21 Be Universally Retired Across MLB
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All of MLB's Puerto Rican players can wear No. 21 on Roberto
MLB expands list of who can wear No. 21 to honor Roberto Clemente
Ríos, Hernández to wear uniform No. 21 on Roberto Clemente Day
Remembering the life and legacy of #21 on Roberto Clemente Day
ROBERTO CLEMENTE Patch #21 Patch Baseball Jersey PATCH PIRATES
A's Vimael Machin 'honored' to wear No. 21 on Roberto Clemente Day