Coach Petersen's press conference is underway and we're seeing a slew of information about injuries. Here's the latest: Arbiter correct, Pettis has fractured lower leg. May have to undergo surgery. Could be back for bowl game. Daron Mackey done for season with torn ACL Darrell Acrey and Nate Potter are listed as day to day Petersen expects Shoemaker to return for bowl game.