Two Grand Slams in an Inning

There have been 1 two-grand-slam innings since 1999, measured across 208,335 games, an average of one occurrence every 208,335 games. The most recent was Fernando Tatis on 23 April 1999; the first was Fernando Tatis on 23 April 1999.

By decade

Recorded occurrences in each decade within this page’s coverage.

Every occurrence (1 of them)