Mike Ditka joined "The Waddle & Silvy Show" on ESPN 1000, as he does every Thursday, and he talked about what the Bears' offensive linemen have to do to improve.
Ditka acknowledged the importance of technique, but he said there's one ingredient that's even more important.
"I just think tenacity," he said. "You have to be nasty. You have to want to thump the other guy. It's a personal thing. You can't get past me to the quarterback."
Click here to hear the rest of Ditka's interview.