Luis Castillo trade grades: Mariners, Reds both receive 'A' for deadline's first blockbuster | CBS Sports Headlines Luis Castillo trade grades: Mariners, Reds both receive 'A' for deadline's first blockbuster The Mariners netted another high-quality starter while the Reds received a couple of good infield prospects ESN FeedsThis post was … Continue reading Luis Castillo trade grades: Mariners, Reds both receive 'A' for deadline's first blockbuster