Gray signed for just one year may be the plan. The more you look into his numbers the better he looks, The Sox have a hand full of young arms that are knocking on the door (Tolle, Witherspoon, Early Perales, and Dobbins) and may need Gray for just one season. Any free agent signing would have tied the Sox to an aging arm that would block some of the young arms, They can revisit other trade possibilities for starting pitchers after they take care of their position player needs with less stress on them, which could have forced them to over pay with prospect capital,