When Kyle Shanahan leaned into the microphones Sunday — after a 31-17 home loss to the Cincinnati Bengals — the natural inclination was to address the mounting anxiety. It was the 49ers’ third straight loss of the season, leaving the franchise tumbling into Tuesday afternoon’s trade deadline. All of this led to a shared curiosity staring at Shanahan during his postgame news conference, wondering how broken parts could be fixed and whether some kind of deadline deal could be a part of it.
That 42-10 trouncing of the Dallas Cowboys on Oct.