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Heston, 29, was drafted by the Giants in the 12th round of the 2009 MLB Draft. He was called up the the big leagues in September of 2014 and ended up in the rotation full time in 2015. San Francisco tried to convert Heston into a long-relief pitcher before injuries slowed him down and triggered a change of scenery, when he was dealt to the Seattle Mariners in December of 2016. Heston was selected off waivers from the Los Angeles Dodgers before ending up with the Minnesota Twins to close out 2017.
Heston’s profile is a back end starter who could successfully produce ground balls when healthy. Another option could be a long relief role, which the Giants tried to get out of him after a solid 2015 campaign. On June 10th, 2015, Heston threw a no-hitter against the New York Mets at Citi Field, which is one of the more vivid memories that Giants fans have of the right-hander.
Heston will attempt to fight for a spot in the rotation along with lefty Ty Blach, top pitching prospect Tyler Beede, and former second rounder Andrew Suarez. Reports around the league include that Heston is healthy and ready for the 2018 campaign.
Giants fan Jeff Young says, “He’s clearly a depth piece and he says he’s healthy for the first time since 2015. Could be a nice add, but only time will tell.”