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MLBPlayer profile/ATH
M
RP#63ATHAdvanced data
Mason Barnett
Relief pitcher
6' 0" · 218 lbs · 25 yo
Form Line · next game · as of Aug 12
2.2K▼ -0.1vs pace (2.3)
typical range (~68%) 0–5 · on 16 games
ER1.7+0.4
The One's forward projection vs the player's own season pace — not a grade, not accuracy-tested. What is Form Line?
Today · vs TB
Tampa Bay Rays
TB @ ATH
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Statcast fingerprint
Mason Barnett
MLB percentile · n=413
- xwOBA36
- xBA66
- xSLG34
- Barrel %16
- Hard-hit %55
- Exit velo33
- Whiff %43
- Chase %21
- K %65
- BB %14
Strong expected average (66th pct) — walks (14th pct) the soft spot.
Statcast · 2026 season
The advanced layer
Expected stats, sabermetric context, and rate metrics straight from the MLB Stats API. Each bar is calibrated against league benchmark ranges, not season percentiles — so the position is stable even on a small sample.
PITCHING
Run prevention
17 G · 3 GS · 38 IP
Run prevention
ERA6.16
5.502.50
FIP5.71
5.003.00
xFIP4.57
5.003.00
WHIP1.45
1.551.00
Stuff & control
K/98.5
6.012.0
BB/94.7
4.52.0
HR/92.61
1.600.70
K%21.6%
18.0%30.0%
BB%12.0%
11.0%5.0%
Quality of contact
BABIP—
.270.330
GO/AO0.54
0.801.60
Pitch mix
Arsenal
2026 · 558 pitches
PitchUseWhiffRV/100
- 4-Seam Fastball45%23%-1.0
- Slider22%30%+1.1
- Sweeper16%21%+0.7
- Curveball11%15%-4.8
RV/100 is pitcher-side — negative is a pitch that saved runs.
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