For Mike Piazza, the HOF was Worth the Wait - Sports Collectors Digest
Examining some recent Hall of Fame hat decisions as Mike Mussina
Piazza, Mike Baseball Hall of Fame
Mike Piazza, Ken Griffey Jr. make cap picks for Baseball Hall of
Hall of Fame Caps That Could Have Been
Baseball Hall of Fame 2016: Ken Griffey Jr., Mike Piazza induction
Mike Piazza to wear Mets cap on Hall of Fame plaque – Trentonian
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Ken Griffey Jr., Mike Piazza Join Hall of Fame
Which cap for Mike Piazza on Hall of Fame plaque?
Which hat for Griffey, Piazza on Hall of Fame plaque?