The San Francisco 49ers can look like two totally different teams. With Christian McCaffrey, Brandon Aiyuk, and George Kittle all healthy, they are nigh unbeatable.
When one of them is hurt, Brock Purdy looks mortal.
With Kittle and Aiyuk both missing a rivalry game against the Seattle Seahawks in Week 11 due to injury, San Francisco needed Purdy to dial it up a notch and play above his usual standard. As is disturbingly often the case without his running mates active, Purdy and San Francisco did not answer the call…