(AP) -- ALLEN PARK, Mich. - Detroit Lions backup offensive tackle Damion Cook will undergo season-ending surgery to repair a triceps injury.
Coach Jim Schwartz disclosed the news Thursday.
Cook is a five-year veteran who signed with the Lions before last season and played in seven games. He started four at guard in place of the injured Edwin Mulitalo.
Cook and five other tackles were vying to back up Jeff Backus and Gosder Cherilus this season.
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