Jerry Burns of the Vikings pretty much invented that. Back to Brockington, man that guy was a powerful runner. Seems like he burned out quick too.
As an offensive coordinator, right? Because the first running back I remember catching a lot of passes was Chuck Foreman when Bud Grant was HC and Jerry Burns was OC.
Ring the bells that still can ring
Forget your perfect offering
There is a crack, a crack in everything
That's how the light gets in - Leonard Cohen