ESPN - 31 years ago today, Ken Griffey Sr. and Ken Griffey Jr. became the first father-son duo to play on the same team 🔥

ESPN - On this date in 1990, Ken Griffey Sr. and Ken

Ken Griffey Jr. & Sr. become baseball's first father-son duo, Father and son, making history. #TBT #Mariners40, By Seattle Mariners

Ken Griffey Jr. and Sr. on Baseball, Cancer and Hall of Fame Speeches

Ken Griffey Jr. trends during ESPN 'Long Gone Summer' 30 for 30

Ken Griffey Jr., dad will go to LeBron, Bonny's first game

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

1992 O-Pee-Chee Premier #167 Ken Griffey Jr. - NM-MT

ESPN on X: It's been 30 years since Ken Griffey Sr. and Ken Griffey Jr. both suited up for the Mariners, becoming the first father and son duo to play for the

ESPN on X: 32 years ago today, Ken Griffey Sr. and Jr. became the first father and son to homer in the same game in MLB history‼️ / X