Did you know that grand slam records during a career, single season, and game can be found in Baseball Almanac's grand slam record book?
Do you know how many players in Major League history have hit two grand slams during the same inning? Only one player has hit a grand slam in each end of a doubleheader. Both of these feats and a lot more are on our site.
1924 was the first season where both leagues were in the double digits, 1938 was the first season were the Major League total broke fifty and 1987 was the first season where the Major League total broke one-hundred.