Griffeys go back-to-back in 1st
Mariners @ AngelsSeptember 14, 1990 | 00:05:53
9/14/1990: Ken Griffey Jr. follows his father's home run with one of his own, becoming the first father-son duo to homer in the same game
9/14/1990: Ken Griffey Jr. follows his father's home run with one of his own, becoming the first father-son duo to homer in the same game