The Rafael Montero trade means something, but what?

Photo by Ronald Martinez/Getty ImagesWhat’s in a trade?

This week’s trade for righty reliever Rafael Montero sparked some interest, but was overshadowed by consternation at the return. No, 17 year old RHP José Corniell wasn’t an overpay for a player who projects to be a top-30 reliever in 2021 (pending the quality of the PTBNL), but the timing of the move is curious. Does it portend further adds of impact? More spending? Or something slightly more troubling?

The Mariners are fresh off a .450 winning percentage season, after a .420 campaign in 2019, and at this point have the same core that led them to a 27-33 record, minus All-Star caliber catcher Austin Nola and steady rotation piece Taijuan…