Pomeranz since the trade: 4 GS, 20.1 IP, 6.20 ERA, 1.67 WHIP, 6.03 FIP, 5.31 BB/9... so no, he has not been good or even acceptable by any stretch of the imagination. At least he's striking people out, because otherwise that matches up pretty well with any four-start Buchholz sample you could find from this year.
Obviously no one should be judged on a four-game sample, but at the same time, a big part of the rationale for this trade was that he was going to help us win this year, so hopefully he doesn't wait too long to start showing the sort of results the team expected.