[Rusty Backhand]

NEW YORK, Sept 6 (Reuters) - Former champion John McEnroe rates Andre Agassi the favorite in his U.S. Open quarter-final clash against James Blake on Wednesday, yet he does not discount the 25-year-old wild card's chances.

http://go.reuters.co.uk/newsArticle.jhtml?type=tennisNews&storyID=9578170&section=news&src=rss/uk/tennisNews