James Michael Lambert (born November 18, 1994) is an American professional baseball pitcher who is a free agent.

[4] After his junior year, he was selected by the Chicago White Sox in the fifth round of the 2016 MLB draft[5] and he signed for $325,000.

[6] After signing, Lambert made his professional debut with the Arizona League White Sox, and he was promoted to the Kannapolis Intimidators during the season.

Lambert began 2017 with Kannapolis, and after going 7–2 with a 2.19 ERA in 12 starts, earning him a South Atlantic League All Star selection, he was promoted to the Winston-Salem Dash in June.

[12] Lambert made his MLB debut on July 25, 2020 against the Minnesota Twins at Guaranteed Rate Field.