This season's Sox remind me of the little girl with a curl. When she was good, she was very, very good, and when she was bad, she was horrid.
By the above I mostly mean the lineup, not the pitching, and that's almost certainly because Breslow is more comfortable going after MLB pitchers--which he was for 10 seasons--than lineup players.
Nevertheless, I give him good marks for letting Devers and Bregman go and for bringing in Contreras and Durbin and maybe Monasteros. Also, Bloom left him with Yoshida and Story who have not earned their pay at the plate--together they get $40M/year through next season. Ugh. I'm down on Rutschman because he ain't hitting and because spelling his name is a pain. But he can catch and isn't too pricey. Mead, meanwhile, is hitless since July 29 and won't return to the lineup until September, if that.
All in all, I think Breslow has done an excellent job. Let's not forget that two of his best players, Crochet and Anthony, will miss 2/3 or more of this season.