SANTA CLARA, Calif. (AP) Tight end Garrett Celek has been placed on season-ending injured reserve because of a high left ankle sprain.
Celek was injured during a 19-13 loss to the Arizona Cardinals on Nov. 29 and needed crutches and a walking boot to get around. He missed Sunday's win at Chicago.
Also Tuesday, San Francisco (4-8) re-signed linebacker Shayne Skov to a two-year contract just three days after waiving him to clear roster room for center Daniel Kilgore's return to the 53-man roster.
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Coach Jim Tomsula said Monday that Celek was meeting with the medical staff to determine how he was healing. Celek started in eight of the 11 games he played this season, finishing with career bests of 19 catches for 186 yards and three touchdowns.
Skov played in the Niners' initial 11 games, making four tackles on special teams.
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