The Ravens have lost Chris McAlister for the remainder of the season after placing the cornerback on injured reserve with a knee injury.  McAlister tallied 19 tackles and one interception while playing in just eight games this season.  The nine-year veteran has 412 tackles and 23 picks since being drafted 10th overall in 1999.  The team signed cornerback Willie Gaston from the practice squad to take McAlister’s roster spot.  The Ravens also signed cornerback Jeff Shoate to the practice squad.