Anthony Gaitor

Ravens place Lorenzo Taliaferro and two others on IR, sign Casey Walker

The Ravens have placed rookie running back Lorenzo Taliaferro on injured reserve and have signed defensive tackle Casey Walker to the active roster off of the New England Patriots' practice squad.

Taliaferro suffered a sprained foot against the Miami Dolphins on Dec. 7. He was in a walking boot last week and wasn't expected to recover anytime soon, prompting the Ravens to promote rookie running back Fitz Toussaint from the practice squad to the active roster on Saturday. Toussaint played strictly on special teams Sunday against the Jacksonville Jaguars.

Drafted in the fourth round out of Coastal Carolina, Taliaferro rushed for 292 yards and four touchdowns and caught...