Shatel: Since days of defensive tackle Steve Warren, Blackshirts have drifted away from the basics

Former Nebraska defensive tackle Steve Warren said good defense is “a mentality, more than anything.”

I often think of the old days. When my life wasn’t an app on a smartphone. Before I knew I could ever tweet or that Rutgers had a football team.

You know, back when Nebraska’s defense “wasn’t calculus.”

Watching the Bob Diaco drama this week, I tried to imagine Charlie McBride in this “Beautiful Mind” play. And then that brought back a dear, old memory.

It was in 1999, right after No.