Keeping up with the Grand Slam totals: As of right now there have been 36 grand slams hit this year. Only 6 teams have NOT hit a grand slam so far this year, they are Arizona, Atlanta, Houston, LA Angels, Oakland, and San Diego. 7 teams have hit 2 Grand slams, One team has hit 3 (Tampa Bay), and Philadelphia leads the pack with 4. Comparatively, last year there were 124 Grand Slams hit, so we're over a quarter of the way there already. Also, the White Sox led all of baseball with 12 last year and the league average for GS per team was 4.