All Players › Mason Barnett
Mason Barnett is a 6-foot, 218-pound pitcher who bats right and throws right. He played for the Athletics from 2025 to 2026.
Mason Barnett is a Major League Baseball pitcher, born November 7, 2000 in Kennesaw, GA. A right-handed pitcher listed at 6' 0" and 218 pounds, Mason Barnett debuted on August 30, 2025.
Across 23 big-league appearances, Mason Barnett went 2-5 with a 7.00 ERA, 56 strikeouts, and 63.0 innings pitched.
Every one of Mason's Athletics seasons is listed below. Explore more through the franchise history, the rosters by year, and the full player index.
Career pitching totals across 23 appearances, and the year-by-year line. Figures from the MLB Stats API.
With the Athletics franchise, Mason Barnett appears across the 2025 and 2026 seasons (Athletics).
In an Athletics uniform, Mason Barnett pitched in 23 games with 56 strikeouts. Every A's season is captured on the franchise rosters below.
Mason Barnett is part of the active Athletics era (2025–2026), the roster carrying the franchise through Sacramento toward its future home in Las Vegas. Fans following the relocation can track the current squad on the 2026 roster.
Players who shared a franchise roster with Mason Barnett.
Built from franchise roster data (MLB Stats API). LV Athletics is an independent fan site and is not affiliated with the Athletics or Major League Baseball.