Former tennis greats John McEnroe, left, and Jimmy Connors walk off the court after hitting tennis balls at the U.S. Open tennis tournament in New York, Friday, Sept. 4, 2009. AP Photo logo AP Photo 2 months ago

Former tennis greats John McEnroe, left, and Jimmy Connors walk off the court after hitting tennis balls at the U.S. Open tennis tournament in New York, Friday, Sept. 4, 2009.