Ken Griffey Jr.

Ken Griffey Jr. headlined the Seattle Mariners 15-4 onslaught of the Texas Rangers with a historic performance at the plate. The reigning AL MVP went 2-for-4 with two runs scored and five total RBI, and clubbed his League-leading 56th home run. With this two-run blast, Griffey Jr. became the youngest player in MLB history to reach 350 career longballs. At age 28 years, 308 days, Ken surpassed Jimmie Foxx, who accomplished this feat at 29 years and 216 days old.