Head coach Kyle Shanahan said on Monday that linebacker Tatum Bethune will miss the entire postseason due to the groin injury he suffered in Saturday night’s loss to the Seahawks. Bethune may need surgery, but Shanahan said that no decision has been made on that front.

SANTA CLARA, Calif. (AP) — The San Francisco 49ers lost another key player off their banged-up defense with linebacker Tatum Bethune sidelined for the rest of the season with a groin injury.

The San Francisco 49ers received more bad injury news on Monday before their playoff matchup against the Philadelphia Eagles.

With preparation set to begin for the wild card game in Philadelphia, 49ers LB Tatum Bethune (groin) is OUT for the rest of the season

George Kittle, Trent Williams and key starters remain questionable as San Francisco enters a crucial Week 18 showdown.

See who's in and who's out for the Week 18 matchup between the Seattle Seahawks and San Francisco 49ers on January 3, 2026.

The Falcons fired both general manager Terry Fontenot and head coach Raheem Morris, despite Atlanta finishing the season on a four-game winning streak and tied for first place in the NFC South with an 8-9 record.

Kyle Shanahan acknowledges that the San Francisco 49ers had a heavy workload recently, but he doesn't want to blame that for Saturday's loss.