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RP#50PHIAdvanced data
Orion Kerkering
Relief pitcher
6' 2" · 204 lbs · 25 yo
Form Line · next game · as of Jul 31
0.8K▼ -0.2vs pace (1)
typical range (~68%) 0–1 · on 44 games
ER0.2-0.1
The One's forward projection vs the player's own season pace — not a grade, not accuracy-tested. What is Form Line?
Live · @ BAL
Baltimore Orioles
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Statcast fingerprint
Orion Kerkering
MLB percentile · n=406
- xwOBA85
- xBA97
- xSLG96
- Barrel %69
- Hard-hit %99
- Exit velo98
- Whiff %66
- Chase %20
- K %62
- BB %7
Elite weak contact allowed (99th pct) — walks (7th 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.
HITTING
Plate output
44 G · 0 PA · 0 AB
Slash & power
AVG.000
.210.320
OBP.000
.280.400
SLG.000
.360.550
OPS.000
.650.950
HR0
540
ISO.000
.120.280
Plate discipline
BB%—
5.0%14.0%
K%—
30.0%14.0%
BABIP—
.270.330
Expected & sabermetric
xwOBA—
.290.380
wOBA—
.290.380
wRC+—
80130
WAR0.0
0.04.0
PITCHING
Run prevention
44 G · 0 GS · 41.1 IP
Run prevention
ERA2.61
5.502.50
FIP3.88
5.003.00
xFIP4.85
5.003.00
WHIP1.23
1.551.00
Stuff & control
K/99.6
6.012.0
BB/95.2
4.52.0
HR/90.65
1.600.70
K%24.4%
18.0%30.0%
BB%13.3%
11.0%5.0%
Quality of contact
BABIP—
.270.330
GO/AO0.55
0.801.60
Pitch mix
Arsenal
2026 · 709 pitches
PitchUseWhiffRV/100
- Sweeper45%27%+1.6
- 4-Seam Fastball33%36%-0.2
- Sinker18%11%+0.2
RV/100 is pitcher-side — negative is a pitch that saved runs.
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