Mason
Barnett
PAge : 25Throws : R
#63
Mason Barnett
#63P
Athletics
Height : 6' 0" · Weight : 99 kg · Bats : R · Throws : R · MLB debut : 2025-08-30
Born in : Kennesaw, GA, USA
MLB record
| Year | Team | PJ | V | D | MPM | MJ | RB | WHIP |
|---|---|---|---|---|---|---|---|---|
| 2026 | Athletics | 20 | 1 | 4 | 7.02 | 50.0 | 50 | 1.66 |
| 2025 | Athletics | 5 | 1 | 1 | 6.85 | 22.1 | 18 | 1.66 |
| Career totals | 25 | 2 | 5 | 6.97 | 72.1 | 68 | 1.66 | |
Advanced stats, 2026 Relief pitcher
MLB stats →ERA
7.02
FIP
6.66
xFIP
5.04
ERA-
157
WHIP
1.66
K%
21.8 %
BB%
13.1 %
Strikeouts
50
Innings
50.0
Wins
1
Stats: MLB (statsapi) and Baseball Savant.
2027 projection
MLB trends →Projected WAR
-0.5
Strikeouts
36
2026 WAR
-0.6
This season's pace, over the average of the last two workloads, adjusted for next year's age.
Trend
→ Stable (-7)
- 20250.2 WAR · 0.6 per full season
- 2026-0.6 WAR · -0.8 per full season
Outlook, age included
+18 · 25 y.o. · usually still improving
It is only a projection. It knows nothing about injuries, trades or role changes.
Player ratings, 2026
All ratings →Ratings from 0 to 100, computed from Statcast and MLB stats over four seasons, never by hand. 75 = established regular, 87 = 90th percentile, 95+ = elite.
OV · Overall
48
Replacement or prospect
- VEL
- Velocity
- 74
- STF
- Stuff
- 63
- CTL
- Control
- 60
- CNT
- Contact allowed
- 61
- STA
- Stamina
- —
- DUR
- Durability
- 49
- EX
- Experience
- 37
Why these ratings?Hide details
- VEL — Velocity : Fastball velocity
- STF — Stuff : Strikeouts, K − BB
- CTL — Control : Walks avoided
- CNT — Contact allowed : xwOBA, barrels and hard-hit balls allowed
- STA — Stamina : Innings per start and innings pitched
- DUR — Durability : Games played over several seasons
- EX — Experience : Seasons in the majors
WAR and PAL Rating, 2026
How we rate →WAR is fWAR (FanGraphs' version, distributed through MLB's API): wins added above a replacement player. PAL Rating scores performance from 0 to 100 against regulars in the same role (50 = median).
PAL: dimensions
A pitcher's WAR
Computed by MLB from FIP (strikeouts, walks, home runs). FIP: 6.66 · RA9-WAR: -0.7
Statcast
Statcast leaderboards →MLB's tracking of every ball, 2026 season. The percentile ranks the player among regulars in the role: 90th means better than 90% of them.
Fastball
94.9 mi/h
50th percentile
K%
21.8 %
38th percentile
BB%
13.1 %
11th percentile
xERA
5.09
10th percentile
xwOBA allowed
.343
10th percentile
Barrels allowed
8.8 %
22th percentile
| Season | Team | WAR | PAL | OV | Fastball | K% | BB% | xERA | xwOBA allowed |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | ATH | -0.6 | 6 | 48 | 94.9 | 21.8 | 13.1 | 5.09 | .343 |
| 2025 | ATH | 0.2 | 14 | 61 | 94.3 | 17.3 | 10.6 | 3.90 | .307 |
Game log, 2026
| Date | Opponent | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Sep 24 | vs HOU | 6.0 | 4 | 4 | 2 | 8 | 7.02 |
| Sep 18 | @ CLE | 3.1 | 7 | 3 | 4 | 4 | 7.16 |
| Aug 17 | @ KC | 2.2 | 7 | 6 | 4 | 2 | 7.08 |
| Aug 11 | vs TB | 4.0 | 5 | 5 | 3 | 0 | 6.16 |
| Aug 6 | @ CIN | 4.1 | 5 | 5 | 3 | 7 | 5.56 |
| Jul 30 | vs BOS | 5.0 | 4 | 3 | 1 | 6 | 4.85 |
| Jul 25 | @ MIN | 3.1 | 4 | 2 | 1 | 2 | 4.74 |
| Jul 10 | @ CWS | 1.0 | 3 | 3 | 1 | 0 | 4.64 |
| Jul 8 | @ DET | 1.0 | 0 | 0 | 2 | 0 | 3.54 |
| Jul 5 | vs MIA | 2.0 | 3 | 2 | 0 | 0 | 3.72 |
Mason Barnett in five questions
What is Mason Barnett's record in 2026?
Mason Barnett is 1-4 in 2026, with a 7.02 ERA and 50 strikeouts in 50.0 innings, 2 saves.
How old and how tall is Mason Barnett?
Mason Barnett is 25 years old (born November 7, 2000). He is 6'0" (183 cm) and weighs 218 lb (99 kg).
Where is Mason Barnett from?
Mason Barnett was born in Kennesaw, GA, United States.
How good is Mason Barnett?
Mason Barnett produced -0.6 wins above replacement (WAR) in 2026, 252nd of 263 players at his position in the MLB. His PAL rating is 6 out of 100: very poor for his position.
What number does Mason Barnett wear, and what team does he play for?
Mason Barnett plays for Athletics in the MLB, at P, and wears number 63.