Today is the first time since April 20, 2001, that five grand slams were hit in a day,
including Kyle Schwarber's shot against the Cardinals.
The most grand slams on one day is six: May 21, 2000 -- via the Elias Sports Bureau
including Kyle Schwarber's shot against the Cardinals.
The most grand slams on one day is six: May 21, 2000 -- via the Elias Sports Bureau