Curve to retire No. 21 in honor of Pirates OF Roberto Clemente on
A's announce date to retire former ace Dave Stewart's No. 34
List of Major League Baseball retired numbers - Wikipedia
Pirates Baseball Retired Numbers
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Mets to retire Dwight Gooden's, Darryl Strawberry's numbers during
Pittsburgh Pirates Roberto Clemente number 21 should be retired
All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of
Pirates Baseball Retired Numbers
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That's Andrew McCutchen's number': The Pirate who protected No. 22
Should MLB retire Roberto Clemente's jersey number?
Pirates come apart in 9th inning, suffer frustrating loss to
MLB Retired Numbers Pittsburgh Pirates by stevejrogers