Chris Heston to Mariners: Latest Trade Details, Comments, Reaction

The Seattle Mariners reportedly added some pitching depth Wednesday. According to Jon Morosi of MLB Network, the San Francisco Giants traded right-handed pitcher Chris Heston to Seattle. Chris Cotillo of SB Nation confirmed the trade through a source but added the return package was unknown. Alex Pavlovicof CSN Bay Area noted the Giants were looking to clear space on their 40-man roster for recently signed closer Mark Melancon.Pavlovicadded that "at least a couple of teams had reached out" to Sa...