Mariners' Emerson Hancock rumor throws twist into Luis Castillo trade talks

The Seattle Mariners have a lot of starting pitchers.That surplus has always seemed like a logical place for them to deal from ahead of the MLB trade deadline, regardless of whether moves would be considering "buying" or "selling." In this case, it would simply be the Mariners giving up a loaded position to improve in a different way.All along, it's been assumed that the veteran Luis Castillo would be the most likely trade candidate.An article on Thursday by The Athletic's Ken Rosenthal and Will Sammon, though, suggests that they might actually trade Emerson Hancock.Hancock is better at this point than Castillo, and he's younger and cheaper. That works both ways, though -- Hancock would earn a bigger return in a trade, too."Hancock, 27, is more affordable, earning $793,300 this season, and