NFL news, injury updates: Christian McCaffrey likely done for season, Trevor Lawrence on IR, Azeez Al-Shaair 3-game suspension upheld
49ers head coach Kyle Shanahan told reporters Monday that McCaffrey suffered a posterior cruciate ligament (PCL) injury during Sunday's 35-10 loss to the Buffalo Bills, and will be placed on injured reserve as result. McCaffrey's recovery is expected to be six weeks, meaning that the rest of his season is in jeopardy.