who holds the mariners career record for grand slams how many
Lou Gehrig hit 23 Grand Slams during his career, which is a MLB record.
Manny Ramirez
Lou Gehrig, with 23 Grand Slams
As of the start of the 2008 season, that would be Ernie Banks with 12.
Barry Bonds hit eleven grand slams during his career.
Lou Gehrig with 23 grand slams
16. The record is 23, held by Lou Gehrig.
Nolan Ryan gave up 10 grand slams during his career to hold the MLB record.
Jimmy Foxx (17 Grand Slams) was not a career long pitcher, but he did pitch 23.2 innings in his career. He's ranked 6th all-time. Dave Kingman (16 Grand Slams) logged 4 innings in his career. Babe Ruth also had 16 Grand Slams. Tony Cloniger was the first and only pitcher to hit two grand slams in one game in 1966. According to Baseball Almanac, the MLB career record for grand slams by a pitcher is 2 and is held by 7 pitchers: Camilo Pascual, Dizzy Trout, Tony Cloninger, Bob Gibson, Denny Neagle, Rick Wise, and Schoolboy Rowe
Lou Gehrig hit 23 during his career. Manny Ramirez has 20.
Kenny Rogers gave up 11 grand slams and Nolan Ryan gave up 10 grand slams.