David Peterson is a left-handed pitcher for the Chicago Cubs.

In MLB, David Peterson has appeared in 148 games (693.0 IP) with a 4.31 ERA, a 1.40 WHIP, and 8.81 strikeouts per nine innings, on 678 strikeouts and 292 walks. In AAA, David Peterson has appeared in 15 games (72.2 IP) with a 4.58 ERA, a 1.61 WHIP, and 10.90 strikeouts per nine innings, on 88 strikeouts and 35 walks.

David Peterson's most recent tracked outing on netpitch was Aug 12, 2026 (MLB 2026).

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