6:36pm: The trade could involve Michael Pineda and Yankees prospect Jesus Montero, as Larry Stone of the Seattle Times has heard "rumblings in that direction" (Twitter link).

6:06pm: The Mariners have moved closer to a trade that would net them a "young impact hitter," reports ESPN's Jerry Crasnick. A source calls the trade "significant" and says Brandon League is not part of the deal (both links via Twitter).