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.
Probably Chris Jericho Chris Jericho. He has been champion eight times
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
New England. Eight division titles from 2000-2009.
One of the boys leaves the ball in the box and takes the box with him.
Beat the E4 and Champion.
Batista
Andre Agassi is busy focusing on his wife and kids. His wife's name is Steffi Graf, another famous tennis player. His kids are not yet into tennis but many expect for them to be soon. Andre is enjoying his retirement!