That December, the Cardinals sold Bowman's contract to the New York Giants, where his performance declined even further in 1941 (6–7, with a 5.71 ERA in 29 games and 80 innings pitched).
Later that month, the Cardinals exchanged Bowman's rights for the New York Giants, and his performance continued to decline in 1941 (6–7, with a 5.71 ERA in 29 games and 80 innings pitched).