On Aug. 31, 1990, Ken Griffey Jr. and Sr. became the first father

Introducing the Sports Stories Father's Day Zine

1991 Mother's Cookies KEN GRIFFEY, JR. Father-Son 4-card set (Seattle regional)

ESPN Stats & Info on X: On this date in 1990 Ken Griffey Jr. and Sr. became the first father-son duo to play on the same team (Mariners), with both singling in

MLB Network Celebrates Father's Day With Ken Griffey Jr.

1991 Mother's Cookies Ken Griffey Jr K.Griffey Jr.& Sr. (Holding Bats)

30 Seconds With Ken Griffey Sr. - The New York Times

Griffey Jr.'s father recalls son's love of game, celebrates his election to Hall of Fame, New Today

New Era Of Draft Began With Griffey — College Baseball, MLB Draft, Prospects - Baseball America

The Griffey's: A father-son tale of when Ken Griffey Jr played professional baseball with his Dad

Griffey family makes history 30 years ago It's been 30 years since Ken Griffey Sr. and Ken Griffey Jr. both suited up for the Seattle Mariners, becoming the first father and

On Aug. 31, 1990, Ken Griffey Jr. and Sr. became the first father-son teammates in MLB history

August 31, 1990: Ken Griffey Jr. and Sr. get back-to-back hits in father-son debut with Mariners – Society for American Baseball Research

WATCH: Father & son Griffey hit back-to-back HRs

Sold at Auction: Ken Griffey, Sr., Ken Griffey, Jr. Giveaway Poster