1
It's safe to assume that he doesn't have the wonderful all-around hand-eye coordination that Olerud and Kotchman and Segui did.
But fundamentally different animal, I dunno. In broad strokes we are talking about a super-balanced swing from a LH who is very selective, and who emphasizes HIT way over PWR.
G seems to have split the difference with his Johnson comp. Johnson was also a stiff mechanical athlete who became un-mechanical once he stepped into the batter's box.