Buchholz (8-0) outpitched Hiroki Kuroda and was pulled after the second of three weather delays.
Girardi suspected Kuroda would be able to make his next start, but the right-hander wasn't sure.
Mr Kuroda has previously said that he would do "whatever it takes" to drive growth.
At least that is what Bank of Japan governor Haruhiko Kuroda is currently saying.
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But Kuroda's rate of generating swinging strikes remains at 17%, suggesting no decline in his stuff.
Between the two hits, Kuroda faced the minimum, picking off Munenori Kawasaki after a third-inning walk.
In his first loss since April 3 against Boston, Kuroda allowed just two earned runs.
Kuroda did a great job and it was one swing by CarGo that was the difference.
Kuroda then got rookie Nolan Arenado to line out to right to end the inning.
Opponents are batting .318 against Kuroda in the first three innings and .092 after that.
"It is vital to have the cooperation of market participants, " Mr. Kuroda said at the seminar.
"All I thought about was, 'Just hang in there, '" Kuroda said through a translator.
Kuroda (2-1) struck out four and walked none, lifting the Yankees back over .500 at 6-5.
Kuroda kept the Orioles from heading home with a winning swing through Boston and New York.
"I was able to throw my sinker with precision, " Kuroda said through an interpreter.
Kuroda, currently President of the Asian Development Bank, is a proponent of aggressive monetary easing.
"Against the lefties I was unable to make my pitches, " Kuroda said through a translator.
Kuroda (0-1) left after 1 1-3 innings, the shortest start of his five big league seasons.
The upper house cleared Mr Kuroda after he won approval from the lower house on Thursday.
Mr Kuroda has said he will do whatever it takes to bring inflation up to 2%.
Hiroki Kuroda delivered two of his finest outings of the season since Sabathia last pitched.
Unlike Volcker, the target of Kuroda resolve to take effective action is not inflation but deflation.
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Next up are 38-year-old Hiroki Kuroda and Pettitte, who's already retired once and come back.
"I wanted to go up and in to him but I didn't, " Kuroda said through a translator.
Right-hander Clay Buchholz (7-0) is slated to start Sunday's series finale against the Yankees' Hiroki Kuroda (6-3).
But he nearly matched Kuroda, who pitched two-hit ball for eight dominant innings, for the first six.
"There's nothing specific I can point my finger at, " Kuroda said of his difficult history against Colorado.
"I was trying to go up and in with a four-seam fastball, " Kuroda said through an interpreter.
Kuroda stuck up his right hand and was struck by Victorino's drive leading off the second inning.
Local media say the Democratic Party has accepted Kuroda as the most qualified candidate for the job.
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