Mason Thompson is a right-handed pitcher for the Round Rock Express.

In MLB, Mason Thompson has appeared in 120 games (114.0 IP) with a 5.21 ERA, a 1.64 WHIP, and 7.34 strikeouts per nine innings, on 93 strikeouts and 58 walks. In AAA, Mason Thompson has appeared in 73 games (81.2 IP) with a 5.51 ERA, a 1.43 WHIP, and 9.04 strikeouts per nine innings, on 82 strikeouts and 34 walks.

Mason Thompson's most recent tracked outing on netpitch was Jun 28, 2026 (AAA 2026).

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