Don Budge (22 years-357 days) -6: Australian (1938), French (1938), Wimbledon (1937-38), U.S. (1937-38)
Rod Laver (24-32) - 11: Australian (1960, 1962, 1969), French (1962, 1969), Wimbledon (1961-62, 1968-69), U.S. (1962, 1969)
Rafael Nadal (24-101) - 9: Australian (2009), French (2005-08, 2010), Wimbledon (2008, 2010), U.S. (2010)
Fred Perry (26-15) - 8: Australian (1934), French (1935), Wimbledon (1934-36), U.S. (1933-34, 1936)
Roger Federer (27-203) - 16: Australian (2004, 2006-07, 2010), French (2009), Wimbledon (2003-07, 2009), U.S. Open (2004-08)
Roy Emerson (26-244) - 12: Australian (1961, 1963-67), French (1963, 1968), Wimbledon (1964-65), U.S. (1961, 1964)
Andre Agassi (29-38) - 8: Australian (1995, 2000-01, 2003), French (1999), Wimbledon (1992), U.S. (1994, 1999)
