On July 31, 2006 — Carlos Beltran hits his third grand slam within a calendar month, becoming the ninth player to accomplish the feat. The New York center fielder’s bases-filled homer is the Mets’ sixth, tying the 1996 Expos and 1999 Indians for most by a team in a calendar month.
Source:
Baseball Reference July 29
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game