49ers’ Sherman goes down swinging

Richard Sherman went down fighting.

No, really.

The 49ers cornerback was ejected for his role in a fourth-quarter melee that began Sunday when safety Marcell Harris hit Bears quarterback Mitchell Trubisky as he was sliding at the end of a 7-yard scramble.

The collision occurred at Chicago’s sideline and Harris was surrounded by Bears who, according to Sherman were “pushing and shoving and grabbing and punching on him.” Sherman, 30, one of five team captains, went into the scrum and threw a series of punches.

He made it clear they were “open-hand” shots, so he didn’t hurt his hands by slamming them against helmets.

“As a leader you can’t let them do your teammate like that,” Sherman said. “I felt…