Andre Agassi is pictured during his breakthrough year in 1988, when he reached the semifinals of the French Open and the U.S. Open, sporting highlights and a mullet.
Agassi, at the age of six, stands next to his father Emmanuel "Mike" Agassi and older sister Rita Agassi and older brother Phil Agassi in 1976. In his autobiography "Open," Agassi talked extensively about how driven his father was in helping his son pursue a career in tennis.
At the 1988 U.S. Open, the 18-year-old Agassi upset his boyhood idol Jimmy Connors in straight sets to reach the semifinals. Although he would be beaten by then top-ranked Ivan Lendl, a star had been born.
Sometimes you need a headband to control your hair ... in his autobiography "Open," Agassi revealed he sometimes wore a wig during matches and that he'd lost the 1990 French Open finals because of fears his hairpiece was falling apart.
Agassi also made a lasting impact on tennis fashion -- introducing denim shorts.
Agassi won his fourth major at the French Open in 1999 after coming back from two sets behind to beat Andrei Medvedev and complete a career grand slam.
At the 1994 Olympics in Atlanta, Agassi became the first American tennis player to win Olympic gold in the men's singles since 1924 after he beat Spain's Sergi Bruguera in straight sets.
Agassi blows kisses to the crowd after winning his first round match at the 2006 U.S. Open. But he would retire from the sport at the age of 36 after losing to Germany's Benjamin Becker in the third round.
Andre Agassi with his wife and fellow multiple grand slam winner, Steffi Graf , at a boxing event in Las Vegas, Nevada last year. The pair have two children and rarely play tennis anymore.
Pete Sampras enjoys his 14th and final grand slam triumph at the 2002 U.S. Open after beating Andre Agassi in the final.