Robert Gsellman exploded onto the scene in 2016 to help the Mets push for a Wild Card berth down the stretch of the season. He was given an opportunity, because of an injury-plagued starting rotation.
He dominated hitters in 2016 to the tune of a 2.42 ERA and was in line to possibly start Game 1 of the NLDS had the Mets gotten past Madison Bumgarner and the San Fransisco Giants.
Entering the 2017 season, Gsellman was being counted on as a trusted back of the rotation starter. Unfortunately, he was anything but trustworthy this year.