MLB

K-Rod weakened by weight loss, but saves Mets win

MILWAUKEE — Francisco Rodriguez had a good day. First he discovered what might be behind a recent pitching slump, and then he dominated the Brewers for his 17th save.

Before the Mets’ 2-1 victory over the Brewers, Rodriguez was asked by The Post if he had lost any weight — and perhaps energy — as a result of getting two teeth pulled last week.

Rodriguez said he hadn’t lost any weight, to his knowledge.

After the game, Rodriguez summoned a Post reporter, and said he weighed himself after being asked the earlier question. Stunned, Rodriguez discovered he has dropped 15 pounds since having the teeth extracted.

BOX SCORE

Rodriguez has consulted with team trainers and said he will attempt to regain the weight by eating five daily meals and drinking protein shakes.

But energy wasn’t a problem last night for Rodriguez, who disposed of the Brewers in 13 pitches.

“It was about time I got 1-2-3 clean,” said Rodriguez, who had allowed at least one run (five total) in each of his previous three appearances.

“I was able to command pitches and throw the ball where I wanted to.”

Pitching coach Dan Warthen said Rodriguez appeared “crisper” last night.

“Physically, I think the teeth had a lot do with it,” Warthen said. “I think he lost weight, and it didn’t look like he had any power. He just didn’t look physically strong.

“I’ve seen it when [pitchers] are beat up. On video, he looks the same, but we’re just not seeing the same arm strength. It looks like he’s lost a bunch of weight. It doesn’t look like he has the energy.”

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Gary Carter, suffering from Grade 4 glioblastoma, a form of brain

cancer, underwent his first radiation treatment yesterday, according to an ESPNNewYork.com report.

“I am happy to report that it went very well!” Carter’s daughter, Kimmy Bloemers, wrote on a family website, the report said.

Carter, 57, was diagnosed last month. His tumors are inoperable.

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Jason Bay returned to the Mets lineup, batting sixth, after getting an off day for Sunday’s series finale against the Braves and finished 0-for-3 with a walk and a strikeout, dropping his average to .212.

Manager Terry Collins was hoping the two-day break — the Mets were off Monday — would help jump-start Bay, who has not homered since May 13.

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The Mets’ top draft choice, outfielder Brandon Nimmo from Cheyenne East High School in Wyoming, hasn’t decided between signing with the Mets and attending Arkansas.

Nimmo reportedly is seeking a $3 million signing bonus with the Mets.