Pitching in front of a large contingent of family and friends from upstate New York, Corbin was on cruise control through the first four innings, allowing just a first-inning single to Michael Cuddyer.
Meanwhile, his offense spotted him a 2-0 lead in the first on a David Peralta home run.
"Everything felt good," Corbin said. "I felt like I got a little bit better from the last time.