Luis Castillo trade grades: Who won the Mariners and Reds deal?

Handing out some grades for the Luis Castillo deal.

Cross one of the top arms on the trade market off the list.

Luis Castillo, whom many thought was going to be dealt by the struggling and rebuilding Cincinnati Reds, was sent to the surprising Seattle Mariners, who were scorching hot entering the All-Star break and who are for sure Wild Card contenders.

The price, though, was quite a haul of prospects for the Reds, exactly the kind of move they needed to make.

As usual, we’re grading the big trades as the Aug. 2 MLB trade deadline approaches, so let’s dive in with this deal and hand out some grades to both sides: