Historic crowd cheers Griffey, Piazza into Hall of Fame
Mike Piazza's 'uncomfortable' role after post-9/11 home run
Ken Griffey Jr. - Wikipedia
Piazza expresses appreciation for Phoenixville roots upon induction – The Mercury
Ken Griffey Jr., Mike Piazza deliver emotional Hall of Fame speeches
Ken Griffey Jr. goes to Hall of Fame with Mariners cap; Mike Piazza with Mets – Hartford Courant
Photos: Griffey, Piazza inducted into Baseball Hall of Fame - WTOP News
Ken Griffey Jr. poised to join legends in Baseball Hall of Fame
Mike Piazza and Ken Griffey Jr. Enshrined at Cooperstown - The New York Times
Historic crowd cheers Griffey, Piazza into Hall of Fame
MLB Hall of Fame: Ken Griffey Jr., Mike Piazza elected as 2016 class - Sports Illustrated