Lynch underwent surgery to repair an abdominal injury and hasn’t played since Week 10.
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Backup Thomas Rawls (broken ankle) is out for the season, and Fred Jackson, Christine Michael and Bryce Brown have struggled in the Seahawks’ running game.
The Seahawks (9-6) clinched a playoff berth and will be a No. 5 or No. 6 seed depending on the outcome of their Week 17 finale against the 13-2 Cardinals.
