Roger Federer (SWI) 15 grand slams including a career grand slam and 3 small slams, but has not managed to get all four in the same year (yet).
Martina Navratilova.
Pete Sampras has the most Grand Slams with 14.
Federer with 13
Usually it's the Grand Slams: The U.S. Open, The Australian Open, Wimbledon, and the French Open.
Through the 2013 season, there were 6452 grand slams hit in baseball history. The most grand slams in a season happened in the year 2000 when 176 grand slams were hit.
Lou Gehrig with 23 grand slams
As of 04AUG09, Albert Pujols has 11 career grand slams. That is the most by any St. Louis Cardinal in history. So far, he has 5 grand slams in the 2009 season.
They are named majors or grand slams because they are the most prestigious and important tournaments that are held. Although, an actual grand slam can also refer to winning all four consecutively.
Lou Gherig
Lou Gehrig with 23
McCovey
manny ramirez