Justin Slaten is a right-handed pitcher for the Boston Red Sox.

In MLB, Justin Slaten has appeared in 102 games (108.1 IP) with a 3.90 ERA, a 1.14 WHIP, and 8.97 strikeouts per nine innings, on 108 strikeouts and 24 walks. In AAA, Justin Slaten has appeared in 9 games (12.1 IP) with a 0.73 ERA, a 0.89 WHIP, and 12.41 strikeouts per nine innings, on 17 strikeouts and 6 walks.

Justin Slaten's most recent tracked outing on netpitch was Jun 30, 2026 (MLB 2026).

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