"It's just insane," says 65th-ranked American of his ranking rise.
The 1996 Wimbledon champion will join Wawrinka's team for four weeks this summer.
The attorney for Maria Sharapova says that the ITF is treating her unfairly because of her celebrity.
Two-time Wimbledon semifinalist pulls out of Queen's Club with adductor injury.
Serena Williams thought she could have done everything five times better at Roland Garros last weekend.
Chris Evert and Lindsay Davenport believe that if Maria Sharapova's drug ban is not reduced, her career could be over.
"Now not a day goes by when something doesn't hurt," says former world No. 1.
