\x34Historically Yours\x34 by Liz Davis is a blog about American historical trivia--anything American since 1492.
August 31, 1990
MLB first father/son to play in same game
Ken Grffey, Sr. and Ken Griffey, Jr. both played for the Seattle Mariners. On August 31, 1990, they became the first father/son team to play in the same game. On that occasion they hit back to back singles. Two weeks later (September 14) they hit back to back home runs.