Tampa Bay Rays
On July 22, 2021, Faucher was traded to the Rays, alongside Nelson Cruz, for Joe Ryan and Drew Strotman.[11] Faucher improved his performance down the stretch, tossing 4.2 scoreless innings in 2 games for the Double-A Montgomery Biscuits and recording a 1.77 ERA in 20.1 innings across 11 contests for the Triple-A Durham Bulls.
He was selected to the 40-man roster following the season on November 19, 2021.[12] On May 9, 2022, Faucher was promoted to the Rays' major league roster.[13] He made his major league debut that day.[14] On September 27, Faucher collected his first career save, pitching the eleventh inning against the Cleveland Guardians and holding them to an unearned run.[15]
In 2023, Faucher made 17 appearances for the Rays, but struggled to a 7.01 ERA with 25 strikeouts in 25+2⁄3 innings pitched. On August 21, 2023, he was placed on the injured list with biceps tendinitis.[16] On September 24, Faucher was transferred to the 60–day injured list, ending his season.[17] On November 14, Faucher was designated for assignment after multiple prospects were added to the roster.[18]