Over a Barrel

[KCBOOMER]

What player set the ML record for most teams for which he hit a grand slam home run??

[YankeeLinks]

It's a really good question, but a repeat. For those who weren't here or don't remember, I suggest you try to guess and don't look at the following link:

http://www.netshrine.com/vbulletin2/showthread.php?t=1569&highlight