James Michael Lambert (born November 18, 1994) is an American professional baseball pitcher for the Chicago White Sox of Major League Baseball (MLB).
Lambert was added to the White Sox 40–man roster following the 2019 season.
Lambert made his MLB debut on July 25, 2020 against the Minnesota Twins at Guaranteed Rate Field. He successfully got 3 outs in the 9th inning and closed out the win for the Sox.