The Brewers decided to shake up their rotation going into Sunday's series finale against the Mets in Milwaukee.
While Wily Peralta was expected to get the start, the Brewers will hand the ball to left-hander Tom Gorzelanny instead.
Peralta left his last start in the sixth inning with a strained left hamstring and will now start in Tuesday's game against the Reds. For Gorzelanny, it will mark his second start of the season. In his only other start on June 8 against the Phillies, Gorzelanny tossed four innings and allowed one run on five hits for the no-decision.
"We just didn't want him to go back out Sunday, and all of a sudden in the second or third inning, he feels something again," manager Ron Roenicke said of Peralta. "If we can back him back a couple days -- which we can -- it makes sense for us to do that."
Meanwhile, right-hander Jeremy Hefner gets the call for the Mets. He's been on a roll as of late, winning two of his last three games after getting only one victory in his first 11 starts this season.
Delivering a strong outing on Tuesday against the D-backs, the right-hander allowed just one run on four hits in seven innings for the win.
Hefner has been bitten by little run support all season, going just 3-6 on the year. However, he has a 2.93 ERA in his last 13 starts.
"I'm just making pitches," Hefner said of his recent surge. "Really, that's all that's changed."
Mets: Wright, Harvey picked for All-Star team
• Mets third baseman David Wright and right-hander Matt Harvey each made the National League All-Star team on Saturday. Wright will start at third, while Harvey is a candidate to be the starting pitcher.
"They've had tremendous first halves," Mets manager Terry Collins said. "We're very, very happy and very lucky we have those two guys on our team."
For Wright, it marks his seventh All-Star selection and his fifth start. For Harvey, who did not make his big league debut until last August, this will mark his All-Star debut.
Brewers: Segura, Gomez named NL All-Star reserves
• Brewers shortstop Jean Segura and center fielder Carlos Gomez each made the National League All-Star team on Saturday as reserves.
Segura is only the fourth shortstop in Brewers history to make the Midsummer Classic and Gomez is the Brewers' first true center fielder since Davey May in 1973.
"He's been incredible. He's been one of the best players in baseball in all facets of the game," teammate Ryan Braun said of Segura. "He's been really good defensively at short, he's an incredible baserunner, and he's just incredibly consistent and productive offensively."
• Roenicke announced on Saturday that Johnny Hellweg will get the nod in Wednesday's game against the Reds and Donovan Hand will likely take the hill on Friday in Arizona.
• The Mets are 19-21 on the road this year, including 9-5 in their last 14 road contests.
• The Brewers are 24-12 when they score first this season.
Quinn Roberts is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.