“If we were in the minority we could live with them,” Udall said on the floor Wednesday. “We’re not trying to ram something through that we aren’t willing the live with.”

Earlier Wednesday, Senate Minority Leader Mitch McConnellMitch McConnellFive takeaways from ObamaCare repeal’s collapse Graham, Trump discuss alternate ObamaCare repeal bill Don’t let Congress throw away our right to health MORE (R-Ky.) asked Democrats to consider if they would be OK with the changes they've proposed if they were no longer in the majority.

Merkley and Udall assured him they would be fine with the changes.

“The minority leader today said the test should be whether a proposal would work if you were placed in the minority and I can tell you that Sen. Udall and I have both expressed that we support that measure,” Merkley said.

Senate Majority Leader Harry ReidHarry ReidConservative Senate candidate calls on GOP to end filibuster Ex-Reid aide: McConnell's 'original sin' was casting ObamaCare as 'partisan, socialist takeover' GOP faces growing demographic nightmare in West MORE (D-Nev.) has confirmed that he plans to try and change the Senate rules at the beginning of the next Congress. 

Republicans have argued that it's a "power grab" by Democrats. Democrats have said the rules must change because Republicans have abused the filibuster and "paralyzed" the Senate.