For 1 AP, I am convinced that Gronk's vanguard ability is one of the best abilities in the game. I sub him in at FB or WR and he averages 10-20 pancakes A GAME.
I've witnessed this man get 3 pancakes in just one play...
And I've even seen him pancake a DB only to wait for him to get back up to pancake him again.
If you aren't running this ability, give it a try and watch him decleat everyone on the field!!