I think you pull that one out of the bag when they are punting from further back in their own territory and the ball won't go further than the 20 yd line. Not Tuesday Morning QBing- you have to practice expecting good punts (again- Indiana doesn't make a lot of mistakes like bad punts so plan for a good kick). If it is, you let it go into the end zone and save it for later. At the 5 yd line if he throws it laterally it is probably to the 3 yd line or maybe into the end zone. If the receiver drops it that's a safety or worse. If you do that at the 20 and the receiver botches it, he still has time to jump on the ball since no one else is around. Calling that at that yardage is being too clever by half.