Looks to me like since the batter had stepped out of the box, Bob was walking back into position with his back turned, yes, but his head was still looking back towards the field (you can get a look at it at around the 1:15 mark on the second video posted.
Bob gets a bad wrap from a lot of people and I think that's the only reason anyone brought this up. If it was Jeff Nelson at third I doubt anyone even notices.
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