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MLBPlayer profile/KC
RP#60KCAdvanced data
Lucas Erceg
Relief pitcher
6' 2" · 214 lbs · 31 yo
Form Line · next game · as of Aug 1
0.4K▼ -0.3vs pace (0.7)
typical range (~68%) 0–1 · on 42 games
ER0.7+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 · @ COL
Colorado Rockies
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Statcast fingerprint
Lucas Erceg
MLB percentile · n=406
- xwOBA28
- xBA36
- xSLG73
- Barrel %82
- Hard-hit %42
- Exit velo88
- Whiff %15
- Chase %19
- K %5
- BB %8
Strong exit-velo suppression (88th pct) — strikeout rate (5th 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
42 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
42 G · 0 GS · 40 IP
Run prevention
ERA5.85
5.502.50
FIP5.50
5.003.00
xFIP5.17
5.003.00
WHIP1.70
1.551.00
Stuff & control
K/96.3
6.012.0
BB/95.4
4.52.0
HR/91.13
1.600.70
K%15.2%
18.0%30.0%
BB%13.0%
11.0%5.0%
Quality of contact
BABIP—
.270.330
GO/AO1.52
0.801.60
Pitch mix
Arsenal
2026 · 743 pitches
PitchUseWhiffRV/100
- Slider30%28%-1.4
- 4-Seam Fastball29%17%-1.4
- Sinker28%17%+1.3
- Changeup14%22%-5.7
RV/100 is pitcher-side — negative is a pitch that saved runs.
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