End zone: Flacco said he did not anticipate requiring any surgical procedures on the back injury that forced him to miss much of the preseason. … Despite several nagging injuries, middle linebacker C.J. Mosley said he intends to play in the Pro Bowl on Jan. 28. … Wide receiver Michael Campanaro said the results of an MRI he took Monday morning were positive and that he will not require surgery on his sprained right ankle, which was in a walking boot. “Nothing serious,” the Clarksville native and River Hill graduate said. “Dodged a bullet. Just out a few weeks.” … Cornerback Jimmy Smith showed up in the locker room for the first time since tearing his left Achilles tendon on Dec. 3 against the Detroit Lions. Smith, who used a scooter, declined to talk to the media. … The team announced signing running back John Crockett, offensive tackle Steven Moore, fullback Ricky Ortiz, and quarterback Josh Woodrum to reserve/futures contracts.