U.S. No. 1 Isner out of Australian Open
 

The United States' top male tennis player John Isner will miss the Australian Open with a knee injury. http://feeds.feedburner.com/~ff/rss/...?d=yIl2AUoC8zA</img> http://feeds.feedburner.com/~ff/rss/...?d=7Q72WNTAKBA</img> http://feeds.feedburner.com/~ff/rss/...rU:V_sGLiPBpWU</img> http://feeds.feedburner.com/~ff/rss/...?d=qj6IDK7rITs</img> http://feeds.feedburner.com/~ff/rss/...rU:gIN9vFwOqvQ</img>


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