Grant Hartwig is a right-handed pitcher for the St. Paul Saints.

In MLB, Grant Hartwig has appeared in 32 games (42.0 IP) with a 5.14 ERA, a 1.40 WHIP, and 7.29 strikeouts per nine innings, on 34 strikeouts and 19 walks. In AAA, Grant Hartwig has appeared in 107 games (126.0 IP) with a 4.79 ERA, a 1.58 WHIP, and 10.29 strikeouts per nine innings, on 144 strikeouts and 67 walks.

Grant Hartwig's most recent tracked outing on netpitch was Jul 31, 2026 (AAA 2026).

Use the interactive dashboard above to break down Grant Hartwig's pitch mix, velocity, command, sequencing, count leverage, and damage-risk trends across every tracked MLB and AAA appearance.