Yankees manager Aaron Boone said Wednesday that Williams will be the team's closer in 2025, Chris Kirschner of The Athletic reports.
The Yankees have acquired Williams from the Brewers in exchange for Nestor Cortes and Caleb Durbin, Jeff Passan of ESPN.com reports.
The Brewers declined Williams' $10 million club option for 2025 on Sunday, though he remains in the organization and is entering his final year of arbitration eligibility, Jeff Passan of ESPN.com reports.
Williams earned the save in Thursday's 5-2 win over Pittsburgh, allowing one hit while striking out one in a scoreless ninth inning.
Williams struck out two and issued a walk in a scoreless ninth inning to earn the save Sunday against the Diamondbacks.
Williams picked up the save over the Giants on Thursday, allowing two hits over a scoreless ninth inning while striking out two.
Williams earned a save against the Giants on Tuesday, allowing a hit and a walk while striking out two during a scoreless ninth inning.
Williams earned the save in Friday's 5-4 win over the Reds in the opening game of a doubleheader, walking one while logging a strikeout in a scoreless 10th inning.
Brewers manager Pat Murphy said Williams was unavailable to pitch Sunday against the Athletics due to left shoulder soreness, Bally Sports Wisconsin reports.
Williams gave up two hits and a walk in a scoreless ninth inning Tuesday to record his fifth save of the season in a 3-2 win over the Cardinals. He struck out three.