Yorke is a hit first mediocre 2b with a 737 OPS in his second go around in AA so far.
Blaze Jordan was drafted for light tower power, but he's morphed into a contact hitter who struggles with velo.
Miguel Bleis has all the tools you would want, but has never put it together. There's a little bit of unluckiness there for sure, but he needs to at least show something in game.
The Sox system is highly rated because it has a lot of depth, not because it has a bunch of highly rated guys. Aside from the big 3, I'm not sure there's a lot of trade value there.