The Pirates are wearing some sweet alternate throwback uniforms this year - NBC Sports
Three-round NFL Mock Draft: 49ers trade up for Lance, Eagles still get help for Hurts
Pirates Become Latest Pro Sports Team To Drop Ugly Alternate Uniforms – OutKick
Did the Pirates just unveil the best throwback uniforms ever?
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What Might Have Been
Pirates Become Latest Pro Sports Team To Drop Ugly Alternate Uniforms – OutKick
1998 Football Media Guide by University of Montana Athletics - Issuu
Bringing it back: Pirates show off throwback uniforms
Pittsburgh Pirates, New York Mets players, coaches to all wear No. 21 on Roberto Clemente Day - ESPN
The Pirates are wearing some sweet alternate throwback uniforms this year - NBC Sports
Pirates unveil new black alternate jersey with 'Pittsburgh' script from the 1990s
