http://sportsillustrated.cnn.com/20...005/01/12/bc.fbn.palmer.surgery.ap/index.html "On a scale of 1 to 3, it was a 4," he said. "It was off the chart. It was pretty badly damaged -- shredded is the better term." Carson Palmer's knee injury was "devastating and potentially career-ending," but his surgeon said Thursday that he is optimistic the Cincinnati Bengals quarterback can recover and play next season. ( :stars: ) "It's not just like it was a torn ACL," Paulos said Thursday, in a phone interview from Houston. "It's a magnitude more difficult to recover from and repair. It can and has ended careers, without a doubt.