Since being called up from Triple-A Reno on Aug. 1, Corbin has allowed four runs on 12 hits in 19 innings. The rookie tied his career-longest outing by going seven innings, striking out seven.
"I felt really good today coming in, I was able to throw all my pitches where I wanted to and I was able to get some easy outs that way," Corbin said. "I kept it down and just had some confidence against these guys, knowing you can pitch your game."
The second batter of the afternoon, Bryce Harper, reached on an infield single, but Corbin erased him moments later on a pickoff move to first. The lefty then retired the next 16 batters he faced before Danny Espinosa led off the seventh inning with a double.
Corbin left after throwing just 88 pitches, 64 of which were strikes. Not surprisingly, he didn't walk a batter.
"That definitely helps," Corbin said of his pitch count. "When you're throwing the ball over the plate and mix it up, it keeps them off balance. They are really aggressive, so if you fall behind, they are going to attack you and sit on a fastball."
Paul Goldschmidt led the offense behind Corbin, collecting two hits, driving in three runs and scoring twice. He entered the day in a 0-for-15 skid.
"They have the best record in baseball. They're a good team," Goldschmidt said. "Today it was nice to score some runs and get up for Corbin."
Goldschmidt put the D-backs on top in the second inning when he reached on a two-base throwing error by Nationals third baseman Ryan Zimmerman and scored after stealing third when the throw from catcher Kurt Suzuki went into left field.
"I got lucky they made an error and it got away," Goldschmidt said. "Then they weren't holding me at all so I saw an opportunity on that first pitch and luckily it worked out."
Before the game, the D-backs' coaches had a scouting report on Nationals starter Ross Detwiler that the club could run on him with his high leg kick. Gibson was impressed by Goldschmidt's usage of the report.
"That's good stuff, that's information that we properly executed," Gibson said. "Goldy is real steady. He set the tone in the second, hustling to first then hustling home. We knew Detwiler would lift like that."
An inning later, Goldschmidt struck again, this time not needing help from the Nationals' defense as a he drove in a pair of runs with a double to give the D-backs a 3-0 lead.
"He got ahead with some fastballs, then he hung one and I was able to drive it," Goldschmidt said. "I was trying to fight and luckily I was able to get a good pitch to hit."
As Corbin continued to mow down the Nationals, the D-backs tacked on four runs in the fifth, Aaron Hill, Justin Upton and Miguel Montero each provided RBIs to knock out Detwiler, who lasted 4 2/3 innings, allowing five runs (four earned) on three hits a walk and two hit batters.
"I was just trying to battle through it," Detwiler said. "I could tell early I wasn't getting my pitches down, and I was kind of fighting against myself all day."
After Corbin's exit, Matt Albers turned in a scoreless eighth, but Takashi Saito allowed two runs on three hits while recording only one out in the ninth, prompting Gibson to turn a 7-4 save situation over to closer J.J. Putz.
Putz walked Steve Lombardozzi to bring the tying run to the plate with two outs, but he struck out Roger Bernadina to give the D-backs their third victory in their past nine games.