Copper Rush has turned a lot of heads across the league with his preseason performance.

When Dak Prescott finished the 2016 preseason with a 137.8 passer rating, many observers talked about the "vanilla defenses" Prescott and the Cowboys faced.

"It’s only preseason," they said. "He won't look unstoppable against NFL defenses. He can't read NFL defenses yet."

But then he did.

That 'it's only preseason' argument is easily the most frequently used argument to discount preseason...

Continue Reading Why Cowboys won't be able to sneak rookie QB Cooper Rush onto their practice squad