Ken Griffey Jr. and Mike Piazza inducted into Hall of Fame – The Denver Post
Hall of Fame Open to Backwards Cap on Griffey Plaque – SportsLogos.Net News
Hall of Fame considering backwards cap on Griffey plaque - Chicago Sun-Times
Griffey Jr goes to Hall with Mariners cap; Piazza with Mets - Sports Illustrated
Mike Piazza and Ken Griffey Jr. Enshrined at Cooperstown - The New York Times
Griffey goes to Hall with Mariners cap; Piazza with Mets
Ken Griffey Jr.: Road to Cooperstown by The News Tribune - Issuu
Mariners To Retire Number 24 In Entire Organization, by Mariners PR
Ken Griffey Jr. and Mike Piazza stand on the stage wearing their Hall of Fame jerseys and hats at the National Baseball Hall of Fame and Museum class of 2016 press conference
The Kid is in the Hall: Ken Griffey Jr. inducted into the Baseball Hall of Fame, Mariners
Ken Griffey's hall of fame press conference and other tidbits - Lookout Landing
Will Ken Griffey Jr. wear a backwards cap on plaque? Hall of Fame 'open to' idea – New York Daily News
Photos: Ken Griffey Jr.'s Hall of Fame plaque on display at Safeco Field
Should Ken Griffey Jr. Have A Backward Hat In His Hall Of Fame Plaque?
Ken Griffey Jr. celebrates HOF in Seattle