Khalil Mack entered this season saying that last year’s disappointment wasn’t good enough.
The Bears’ opener wasn’t, either. The defense gave up 23 points to the Lions and was one D’Andre Swift drop away from allowing the game-winning touchdown.
Only three teams gave up more Week 1 yards than the Bears, who allowed 426.
The Bears posted one sack — by defensive lineman Akiem Hicks. Playing 86 percent of the Bears’ defensive snaps, Mack recorded four tackles but never touched the quarterback.
“Everything has to be better,” Mack said Friday. “We know what we’re capable of.