Federer with 13
Pete Sampras has the most Grand Slams with 14.
Nadal has won 14 grand slams.
Rafael Nadal has Won 9 Grand Slams!
Bjorn Borg has won 11 Grand Slams in his carrier.
Roger Federer: 16 grand slams
He won eight grand slams and a gold medal in the Olympics
The doubles pair who have won the most Grand Slams is Bob Bryan and Mike Bryan. Todd Woodbridge and Mike Woodforde have also won a large number of Grand Slams.
Arthur Ashe won three grand slams.
2 grand slams (as on 5 July 2010)
Sharapova has won 3 grand slams Wimbledon 2004 US 2006 Australian 2008