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

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

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

Griffey Jr. and Sr. hit back-to-back home runs for Mariners

Junior's achievements: 24 of Ken Griffey Jr.'s most remarkable feats - ESPN

Ken Griffey Jr. – Society for American Baseball Research

Today in Baseball: The First Father And Son Combo on The Same Team

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

Ken Griffey Sr. and Jr. become first father/son combo to appear in the same lineup

1990 ken griffey jr｜TikTok Search

MORE