Foster Griffin is a left-handed pitcher for the Washington Nationals.

In MLB, Foster Griffin has appeared in 23 games (99.1 IP) with a 3.44 ERA, a 1.10 WHIP, and 8.52 strikeouts per nine innings, on 94 strikeouts and 28 walks. In AAA, Foster Griffin has appeared in 69 games (207.0 IP) with a 4.26 ERA, a 1.41 WHIP, and 8.13 strikeouts per nine innings, on 187 strikeouts and 89 walks.

Foster Griffin's most recent tracked outing on netpitch was Sep 23, 2026 (MLB 2026).

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