The Cincinnati Bengals signed veteran defensive back Keiwan Ratliff to a contract today, adding him to the roster heading into their AFC wild-card playoff game. Ratliff tried out for the Bengals today along with former Indianapolis Colts safety Mike Doss, according to a league source. Ratliff was drafted in the second round out of Florida by the Bengals in 2004 before being released in 2007. Source: National Football Post