I'm still on team "Trade Pillar and throw Alford into the fire as the starting CF for 2019"
My rationale there is that Pillar is terrible with the bat, and I can't see any difference between the two as black holes in the lineup (though Alford has upside in the bat that Pillar does not have) and at this point, Alford is probably as good (or at least in the neighbourhood) in CF as Pillar.
I don't think we'll get anything of great value for Pillar, but he's really not needed on the 2019 Blue Jays, and we don't really lose much, if anything, by replacing him with Alford.