Bears’ defense taking hold: ‘Right now we’re just flying.’

Bears defensive end Al-Quadin Muhammad (55) flourished in Matt Eberflus’ defense with the Colts in 2018-21.Asked if the Bears’ new-fangled defense under Matt Eberflus and Alan Williams had made an impression on him, running back Khalil Herbert didn’t hesitate.

“I’ve got a lot of impressions — especially the linebacker group,” Herbert said. “We have some really athletic linebackers — a lot of guys that can cover and hit and come downhill and hit. Especially from the one-on-ones, seeing the different things they can do in pass pro and us running routes out of the backfield and we try to make them miss in certain drills. We have a really athletic group. The defense as a whole I feel like is…