08/27/2010 11:04 am ET Updated May 25, 2011

Stephen Strasburg SURGERY: Tommy John Procedure Needed

The Nationals announced Friday morning that their phenom will not pitch again this season after testing Thursday revealed a "significant tear" in the ulnar collateral ligament in his right elbow. He will get a second opinion but the Nationals anticipate he'll undergo Tommy John surgery, which generally sidelines pitchers for 12 to 18 months.

Read more on MLB FanHouse