There are reasons to believe the 49ers will not bounce back and that their Super Bowl window finally has slammed shut.

Dan Campbell stood at the podium after Detroit blew a 17-point lead to San Francisco in last season's NFC title game and talked about how that might have been the Lions' only shot at reaching the ...

But there also are reasons to believe the 49ers will not bounce back and that their Super Bowl window finally has slammed shut: 1. Christian McCaffrey probably isn't an elite running back anymore.