Christian McCaffrey, Jordan Mason will be placed on IR

It's going to be another lost season for Christian McCaffrey, but he is not the only San Francisco running back who suffered an injury on Sunday night. Via multiple reporters, 49ers head coach Kyle Shanahan said on Monday that McCaffrey will be placed on injured reserve with a PCL injury in his right knee. While McCaffrey will not need surgery to correct the issue, the running back's recovery timeline is six weeks. That would sideline McCaffrey for the rest of the regular season. But Jordan Mason also suffered a high-ankle sprain and will be placed on IR. That puts rookie Isaac Guerendo in line to be the 49ers' top back entering Week 14. McCaffrey, 28, played 33 regular-season games plus six postseason contests over the 2022 and 2023 seasons after appearing in just 10 games from 2020-2021. But this year, McCaffrey has once again been played by injury woes.He missed the first eight games of the 2024 season with bilateral Achilles tendinitis. He suffered his knee injury during the second quarter of Sunday's snowy loss to Buffalo. After winning AP offensive player of the year in 2023, McCaffrey will finish 2024 with 202 yards rushing along with 15 catches for 146 yards in four...