The Seahawks have officially placed running backs C.J. Prosise and Chris Carson on injured reserve. The move was expected after they suffered hip and arm injuries, respectively, over the weekend. 
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The Seahawks, of course, have already filled the void by signing one-time franchise star Marshawn Lynch and old friend Robert Turbin. Both players will be eligible for Seattle’s Week 17 finale against the 49ers, which will decide the outcome of the NFC West. If they lose, they’ll still be in as a wild card team, and they’ll have Lynch and Turbin on hand to keep the chains moving.
Rashaad Penny recently landed on injured reserve with an ACL injury, so the Seahawks are entering the playoffs with a totally new RB depth chart. Before all of this, Carson was enjoying a strong year. He finished out the season with 1,190 yards on the ground and nine total touchdowns. Penny, in a much smaller sample size, was averaging 5.7 yards per tote. Prosise averaged just 3.1 yards per carry.