49ers’ defense bends and bends, and finally breaks the Bears

SANTA CLARA — Logic and common sense suggest the 49ers can’t win their sixth Lombardi Trophy playing the kind of defense they did Sunday night.

But logic and common sense went out the window a long time ago, not coincidentally at about the same time as Nick Bosa and Fred Warner were lost to injury.

The 49ers have a 12-4 record after a 42-38 win over the Chicago Bears at Levi’s Stadium. One more win Saturday night against Seattle and it’s a home-field yellow brick road all the way to the Super Bowl...