Andre Agassi quit tennis in 1994.
Andre Kirk Agassi ( [ ˈɑːndreɪ_ˈæɡəsi ] born April 29 , 1970 ) is an American retired professional tennis player and former World No. 1 who was one of the sport 's most dominant players from the early 1990s to the mid-2000s . After suffering from sciatica caused by two bulging discs in his back , a spondylolisthesis ( vertebral displacement ) and a bone spur that interfered with the nerve , Agassi retired from professional tennis on September 3 , 2006 , after losing in the third round of the US Open to Benjamin Becker .