Jimmy Connors and Andre Agassi are two former, top US players who won 8 singles Grand Slam titles.
However, the question does not stipulate whether the grand slams need to be only singles, or whether they are just Grand Slam titles[period]. There may be others, male or female, who won 8 Grand Slams, inclusive of singles, doubles and mixed doubles titles.
Margaret Court in tennis who won Wimbledon titles three times as well as titles in the United States, France, and Australia.
Triple H is a thirteen-time World Champion: an eight-time WWE Champion, and a five-time World Heavyweight Champion. And he has many more years left in his career. So probably he will beat Flairs record of 16 world titles.
"Pieces of Eight" - Styx
Lee Haney is a former American IFBB professional bodybuilder. He is the joint record holder, along with Ronnie Coleman, for winning the most Mr. Olympia titles, eight.
The correct answer is eight.
Edge has won many world titles. He is noted for being the most decorated tag team champion in WWE history, winning a record 12 tag team titles. Edge is an eight time World Champion, having won the WWE Championship and the World Heavyweight Championship 4 times each. Edge also won the 2001 King of the Ring and the 2005 and 2007 Money in the Bank ladder match
Probably Chris Jericho Chris Jericho. He has been champion eight times
New England. Eight division titles from 2000-2009.
Roger Federer has won a total of 20 Grand Slam singles titles, which include eight Wimbledon titles, six Australian Opens, five US Opens, and one French Open. In addition to his Grand Slam success, Federer has numerous other titles, bringing his total count to over 100 ATP singles titles throughout his career. His achievements have solidified his status as one of the greatest tennis players of all time.
One of the boys leaves the ball in the box and takes the box with him.
Beat the E4 and Champion.
Batista