Athletics· #63· Pitcher
Mason Barnett
Bats R · Throws R·Age 25 (Nov 7, 2000)·6' 0", 218 lb·Kennesaw, GA, USA
2026 Pitching
ERA
4.64
WHIP
1.36
IP
21.1
K%
23.3
BB%
13.3
K/9
8.86
W-L
1-0
GS
0
SV
2
HLD
0
DiamondIQ WAR
21.3 IP · 2026
-0.2
-2.2 runs above replacement
FIP · 5.86 (park 1.09)0.0
vs replacement · RP, 21.3 IP-2.2
FIP-based runs above replacement, park-adjusted, scaled by innings over runs-per-win. Reliever leverage is simplified (v1). Full methodology.
Pitch Arsenal · Statcast
Four-Seam42% · 94.9 · 15% whiff
Slider26% · 87.6 · 27% whiff
Sweeper17% · 83.4 · 24% whiff
Curveball12% · 79.2 · 10% whiff
Changeup3% · 85.8 · 67% whiff
Career Pitching
| Yr | Tm | W | L | ERA | G | GS | SV | IP | SO | BB | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | Athletics | 1 | 0 | 4.64 | 13 | 0 | 2 | 21.1 | 21 | 12 | 1.36 | 8.86 |
| 2025 | Athletics | 1 | 1 | 6.85 | 5 | 5 | 0 | 22.1 | 18 | 11 | 1.66 | 7.25 |
Recent Games
Jul 10 @ Chicago White SoxL
1.0 IP, 3 ER, 0 K, 1 BB
Jul 8 @ Detroit TigersL
1.0 IP, 0 ER, 0 K, 2 BB
Jul 5 vs Miami MarlinsL
2.0 IP, 2 ER, 0 K, 0 BB
Jul 3 vs Miami MarlinsL
2.0 IP, 4 ER, 2 K, 2 BB
Jun 27 @ Los Angeles AngelsL
0.2 IP, 0 ER, 0 K, 0 BB
Jun 25 @ San Francisco GiantsW
1.0 IP, 0 ER, 1 K, 0 BB
Jun 23 @ San Francisco GiantsL
1.0 IP, 1 ER, 3 K, 2 BB
Jun 18 vs Los Angeles AngelsW
1.0 IP, 0 ER, 1 K, 1 BB
Jun 15 vs Pittsburgh PiratesW
2.0 IP, 1 ER, 1 K, 0 BB
Jun 12 vs Colorado RockiesW
1.2 IP, 0 ER, 1 K, 0 BB