Mithrandir Metrics
Pitcher projection 2026 Refreshed Jun 1 06:00 AM ET
Pitcher projection / NYM · 2026

Peralta, Freddy

Breaking-ball driven starter profile

Primary
26.1% K%
Range
23.0% to 33.4%
Live Δ
yes
Team NYM Archetype Breaking-ball attack Age 30 Status Healthy / active roster
Rolling projection

Preseason / current pace / Bayesian update

Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.

2026-06-01
ERA preseason3.49
ERA current pace3.52
ERA rolling p503.51
Observed weight54%
ERA
2.54 3.00 3.51 4.02 4.48
FIP
3.24 3.57 3.93 4.29 4.62
K%
22.5% 23.9% 25.5% 27.0% 28.4%
BB%
7.4% 8.2% 9.0% 9.8% 10.6%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%9.8%
34 -15 vs proj
Barrel allowed5.3%
79 +40 vs proj
Fastball velo93.9
43
Hard-hit allowed39.6%
49
K%23.9%
59 -16 vs proj
Whiff%24.4%
62
xwOBA allowed0.304
60
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; Arsenal Decomposition remains descriptive support under Stuff+.

2026-06-01
Mithrandir Stuff+100
37
Optimization map

Arsenal optimization map

Pitch-shape context from this pitcher’s current arsenal snapshot. Hover a pitch to inspect usage, movement, and bat-missing context.

5Pitches 2026Season 54%Top usage
ride armside gloveside +Arsenal gap +Shape contrast
Rolling form chart

xwOBA allowed snapshot line

Live snapshot series; true 50/100 PA windows require PA-level logs

12 snapshots
Mithrandir Metrics ROLLING XWOBA LINE Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Rolling xwOBA allowed Peralta, Freddy · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3012026-05-19: 0.3132026-05-21: 0.3132026-05-23: 0.3132026-05-24: 0.2982026-05-25: 0.2982026-05-26: 0.2982026-05-28: 0.2982026-05-29: 0.2982026-05-30: 0.2982026-05-31: 0.3042026-06-01: 0.304 2026-05-17 2026-06-01 xwOBA allowed MITHRANDIR · CHARTS
Zone profile

Aggregate zone heatmap

Aggregate zone metrics from seasonal Statcast leaderboards.

Mithrandir Metrics ZONE HEATMAP Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Pitch Zone Profile Peralta, Freddy · Aggregate zone metrics; not pitch-by-pitch locations Edge: 37%37%Zone: 44%44%Whiff: 24%24%Called strike: 15%15%First pitch strike: 48%48%Hard hit allowed: 40%40% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Pitch arsenal

Usage mix, movement map, and Stuff+ composition

2026 pitch-level arsenal aggregates; current season takes over after 100 tracked pitches across at least 2 pitch types. Descriptive pitch-type Stuff+ composition. Not a promoted predictive metric.

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Peralta, Freddy · 2026 arsenal snapshot 4-Seam Fastball: 53.9%Changeup: 23.6%Curveball: 12.1%Slider: 8.8%Slow Curve: 1.7% MIX FF 54%CH 24%CU 12%SL 9%CS 2% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Peralta, Freddy · 2026 arsenal snapshot FF: HB -0.2, IVB 1.2FFCH: HB -0.6, IVB 2.8CHCU: HB 0.2, IVB 3.9CUSL: HB -0.1, IVB 3.1SLCS: HB 0.2, IVB 4.8CS horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 54.8% 573 103 qualified
CH 22.3% 233 106 qualified
CB 14.4% 151 98 limited sample
SL 8.5% 89 89 limited sample
Method note

Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.

Model read

Projection notes

1
templated note
Primary mix entering the season: 4-Seam Fastball 53%, Changeup 21%, Curveball 13%.
Live context

Current-season signal

ERA Δ+0.07
K% Δ-0.022
Sample65.0 IP

positive regression

Projection table

Point projection and range

MetricPointRangeHalf-width
Innings146.5----
Batters Faced610----
K%26.1%23.0% to 33.4%+/- 5.2%
BB%8.8%6.8% to 11.2%+/- 2.2%
Whiff%25.5%24.0% to 32.2%+/- 4.1%
HR/91.310.98 to 2.09+/- 0.56
xwOBA Against0.3100.267 to 0.331+/- 0.032
Barrel% Allowed8.5%5.8% to 12.6%+/- 3.4%
ERA3.452.37 to 5.10+/- 1.37
FIP4.052.83 to 4.77+/- 0.97
WHIP1.2181.012 to 1.439+/- 0.214
Platoon / Shape
vs LHH

2103 career BF

xwOBA0.294
K%24.9%
BB%10.1%
Barrel9.3%
vs RHH

2127 career BF

xwOBA0.279
K%27.8%
BB%7.4%
Barrel9.7%