Tennis! He won 8 grand slam single tournament!
The French Open.
In baseball and softball you can hit for a grand slam. In tennis and golf, you can win the 'Grand Slam' if you win the sport's four major tournaments: Golf: Masters, U.S. Open, Open Championship (British Open), and PGA Championship Tennis: Australian Open, French Open, Wimbledon, U.S. Open
Jason Giambi hit a walk off Grand Slam in 2002 in extra innings with the Yankees down by 3
Nadal can win any grand slam.
This the grand slam is in Oshawa, Ontario and is from the 26th to the 30th
Grand Slam Single happened in 1999.
Grand Monster Slam happened in 1989.
Grand Monster Slam was created in 1989.
A true Grand Slam in tennis is when a player wins all four Grand Slam tournaments in the same year. Otherwise it is just a career Grand Slam, and not a true Grand Slam.