Leiter signed a minor-league contract with the Cubs on Wednesday.
Leiter owns an unimpressive 5.53 ERA in 114 major-league innings, the last of which came back in 2018. The 30-year-old spent the 2021 season in the Tigers' system, where he cruised to a 3.34 ERA and an impressive 30.5 percent strikeout rate in 15 starts and two relief appearances for Triple-A Toledo.