Grading Chaim Bloom’s 10 most notable offseason acquisitions

It struck me recently that there hasn’t been much middle ground with Red Sox chief baseball officer Chaim Bloom’s offseason acquisitions. It feels like the players he brought in, mostly over the winter, have been either excellent additions or colossal flops.

So, I figured, let’s do the math, and get out a report card.

We’re not going to rehash every last move or litigate the acquisition and loss of Joel Payamps. Instead, let’s take a look — and slap a grade on — Bloom’s 10 most notable moves of the offseason.

Dec. 10: Selected RHP Garrett Whitlock from the Yankees in the Rule 5 draft.

With half-hearted apologies to John Trautwein, Mike Trujillo, and mostly obscure other players, Whitlock has…