I listen to same Sox prospects podcast as MVP (I'm guessing) and you do get some more detailed tidbits on these podcasts. I think the pitching level in AAA has been the lowest it's been in a while so the stats can be a little misleading now as the pitching is so inferior to the MLB.
So yeah, can be tricky to judge just looking at the stats at the moment. I still had high hopes for Blaze, though.
I guess the fact they didn't bring him up shows, as Moon says, that they must see something every day they think isn't right, because God knows we need something at 1B.
Links to the podcast on Spotify and YouTube if you ever fancy it -