Vladimir Guerrero Jr. has launched 4 grand slams in his career.

how many career grand slams does vladimir guerrero jr.
Vladimir Guerrero Jr.Vladimir Guerrero Jr.63542,43936168313051243900121882601724440872,7351,195259.280.354.490.844
StatMuse has game-level data for grand slams going back to the 1920 season.
Some of the information used here was obtained free of charge from Retrosheet.