Regal delivers a blow to the gut. Billy is reacting.
The rookie feels the effects.
Billy is doubled over.
Regal is about to throw Billy off the ropes for another move. Of course, you smarter fans probably realize that Regal is whispering instructions to Billy for the next move or two. Oops, we're not supposed to recognize that are we? Maybe he is just doing something nice or naughty to Billy's ear.