The John Kasich campaign criticized 2012 Republican nominee Mitt Romney for saying he will vote for Texas Sen. Ted Cruz Rafael (Ted) Edward CruzSenate Republicans face tough decision on replacing Ginsburg Cruz: Trump should nominate a Supreme Court justice next week Renewed focus on Trump's Supreme Court list after Ginsburg's death MORE in Tuesday's Utah caucuses and then turned Romney's words from Monday back at him.

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"The fact is the establishment has gotten it wrong this entire primary and it is unfortunate to see that Mitt Romney is getting bad political advice,” John Weaver, chief strategist for Kasich for America said in a statement late Friday afternoon. “John Kasich is best positioned to stop Donald Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE in the Midwest, Mid-Atlantic and Pacific coast states. This is just the old establishment trying again to game the political system, but John Kasich's defeated the Republican establishment his entire career."

Romney announced Friday he’ll vote for Cruz, saying it’s the only path to an open convention.

“At this stage, the only way we can reach an open convention is for Senator Cruz to be successful in as many of the remaining nominating elections as possible,” Romney said. He added “a vote for Governor Kasich in future contests makes it extremely likely that Trumpism would prevail.”

Romney campaigned with Kasich in Ohio before Tuesday's primary in Kasich's home state, which the governor won the state's primary, taking all 66 delegates.

Friday evening, Kasich's campaign released a web ad of video from Monday's rally in Ohio where Romney called said that "unlike the other people running, he has a real track record."

In an interview on MSNBC’s Hardball Friday, Kasich expressed disappointment in Romney’s vote.

“…so we just put one foot in front of the other and keep moving,” Kasich said. He added that he doesn’t think anyone will get to the Republican convention in July with enough delegates.

“We’ll ultimately have somebody chosen for the delegates who represent the Republican Party. Everybody just needs to calm down,” he said.