FILE - In this June 13, 2011 photo, New York Yankees pitcher Joba Chamberlain looks on from the dugout during a baseball game against the Cleveland Indians at Yankee Stadium in New York. New York Yankees General manager Brian Cashman said Friday, March 23, 2012, that Chamberlain had surgery Thursday night and will be hospitalized for at least a few days. Cashman says the accident happened Thursday afternoon while Chamberlain and his son were at a Tampa-area spot that has trampoline equipment. The team is not saying whether Chamberlain was using any of the equipment. (AP Photo/Bill Kostroun)

Photo by: Bill Kostroun

FILE - In this June 13, 2011 photo, New York Yankees pitcher Joba Chamberlain looks on from the dugout during a baseball game against the Cleveland Indians at Yankee Stadium in New York. New York Yankees General manager Brian Cashman said Friday, March 23, 2012, that Chamberlain had surgery Thursday night and will be hospitalized for at least a few days. Cashman says the accident happened Thursday afternoon while Chamberlain and his son were at a Tampa-area spot that has trampoline equipment. The team is not saying whether Chamberlain was using any of the equipment. (AP Photo/Bill Kostroun)