Since Steve Phillips is off camera during much of his commentary, one can only assume that he talks with his hands (much like all other Bristol University graduates) even when they are not seen.
And sure enough, when they cut to the booth, Phillips has all the right moves. The chop. The feint to the right, followed by the move to the left. You’d think he’d been doing this his whole life —- or at least longer than Kaz Matsui has been playing 2nd base.