The San Francisco 49ers have received the worst possible update on All-Pro linebacker Fred Warner, who left Sunday’s game against the Tampa Bay Buccaneers with what initially appeared to be a serious leg injury.

Fred Warner had to be carted off during the first quarter after attempting to tackle Buccaneers running back Rachaad White. After falling 30-19 to the surging Bucs, the 49ers received another brutal injury update.

Per NFL Network’s Ian Rapoport, head coach Kyle Shanahan suffered a broken and dislocated ankle and will likely miss the rest of the season.

The 49ers have been hit hard by the injury bug this year, with Pro Bowl tight end George Kittle (sidelined since Week 1), star wideout Brandon Aiyuk (no timeline on his season debut), quarterback Brock Purdy (four games missed thu

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