4- 1 for each run you drive in, including yourself
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A grand slam in baseball is worth four runs.
A tennis player is awarded 2000 grand slam points for winning a grand slam tournament.
14 grand slam singles
Greg Rusedski has never won a Grand Slam Event.
Don Budge has won 6 Grand Slam Singles Titles.
Should a batter hit a grand slam home run to end a game (a so-called walk off grand slam), the batter would be credited with 4 RBIs, no matter what the score was at the time. When a home run ends a game, all runs count, unlike another base hit that scores the winning run or runs. In that case only enough runs that put the team ahead counts..not so for home runs.
It's called a "grand slam."
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Four.
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