McCaffrey not the only season-ending injury [Video]

Kyle Shanahan offered injury updates Monday afternoon, following the 38-10 drubbing the 49ers took at the hands of the Bills in Orchard Park, New York.

Christian McCaffrey’s status was the first order of business. Shanahan confirmed that McCaffrey did sustain a PCL injury in his knee and would likely miss the remainder of the season.

But that was just the tip of the iceberg. Shanahan confirmed that the 49ers had at least one, and probably two other season-ending injuries. Defensive tackle Kevin Givens tore his pectoral and Jordan Mason suffered a high ankle sprain. Both will go on injured reserve, as will McCaffrey.

As for everyone else, Aaron Banks and Jordan Elliott are still in concussion protocol. Demetrius Flannigan-Fowles (knee) is day-to-day, while Deommodore Lenoir (knee) should practice Wednesday.

Both Nick Bosa and Trent Williams are in the same boat and will be evaluated this week. Dre Greenlaw will continue …