According to Ken Griffey, Sr., joining his son Ken Jr. on the same team was “a dream come true being a father,” but that didn’t stop him from checking with his son before joining the Mariners. When Mariners manager Jim Lefebvre announced they’d be in the lineup together on August 31, 1990 the stage was set for a baseball history-making father-and-son moment. The father- already a legend as a member of the Big Red Machine - and son - who become a legend himself - gave fans a moment to remember in the first inning., And only two weeks later, the pair took it to the next level with yet another history-making moment.