 On August 12, 2009, against his former team, the Chicago White Sox, he hit an RBI single in the bottom of the 14th inning to win the game, 1–0, for the Mariners.Griffey returned to the Mariners for the 2010 campaign with a similar contract to that of 2009, but struggled offensively over the first two months while posting a .184 batting average.On April 27, Griffey passed Andre Dawson for 45th on the career hit list.