The San Francisco 49ers are bringing back special teams ace Kassim Osgood.The 49ers put rookie linebacker Nick Moody on the injured reserve with the possibility of an early return. He has a hand injury.Thus, Osgood is coming back to play a special teams role. Osgood is a longtime special teams stalwart. He is listed as a receiver, but this role will likely be 100 percent on special teams. The 49ers' special teams did not get worse with the addition of Osgood.