I'd say it might be a little less now after the shot. Something like that has a habit of taking a little starch out of fighters. As has been said already. It wasnt a chin thing. Pac stepped into marquez, and his foot collided with Marquez's leg rather that touching down where it should to throw his own shot. For a second he took his eye off the ball to glance down and was tipping one one foot into a shot he didn't see thrown by a guy who bulked up and practiced landing that shot. Double the force, none of the anticipation and half the position. It all happened in a second and that's all it took.

The first knocked down of pac spoke more to me about Marquez's prep than the final one did.