6:34pm: The Diamondbacks announced that they have traded Trumbo and Nuno to the Mariners in exchange for Castillo, Leone, outfield prospect Gabby Guerrero and infield prospect Jack Reinheimer (Twitter link).
6:26pm: The Mariners have acquired first baseman/outfielder Mark Trumbo and left-hander Vidal Nuno from the Diamondbacks, reports Ken Rosenthal of FOX Sports (Twitter links). The Diamondbacks will receive catcher Welington Castillo, right-handed reliever Dominic Leone and a pair of prospects from Seattle in exchange for Trumbo, who is earning $6.