Meslier joined Leeds United in the summer of 2019 initially on loan from FC Lorient, before the deal was made permanent at the at the end of the 2019/20 season.
The goalkeeper made his debut for Leeds in the Emirates FA Cup against Arsenal on 6 January 2020.
He went on to make a total of 10 Sky Bet Championship appearances during the 2019/20 campaign as the Whites were crowned champions and won promotion to the Premier League.