When J.J. McCarthy strutted into the end zone doing the "Griddy" on Sunday night, he did so in direct defiance of head coach Kevin O'Connell's orders.

Minnesota Vikings quarterback J.J. McCarthy had already been told not to “Griddy” into the end zone.

After opening the game with an interception, the Minnesota Vikings rookie regrouped and ended up torching the Dallas Cowboys in a 34-26 road win, piling up 250 passing yards, two touchdown throws, and...