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  • Projections
    In-house Bayesian model · career prior + aging × stuff/discipline signals
  • Plate Discipline
    Decision+ · chase / passive cost · K% · BB%
  • Command & Stuff
    Pitching+ · Stuff+ · Command+ · meatball rate
  • Pitcher Stuff Lab
    In-zone whiff · xwOBAcon · tunnel · deception · count predictability
  • Stuff Model (diag)
    From-scratch XGBoost training runs, feature importance, pitcher grades
  • Expected Points
    Luck-neutral fantasy points · xSLG / xwOBA · ΔPts
  • Hitter Frontier
    Power × discipline tradeoff · Pareto-frontier hitters
  • Pitcher Frontier
    Process × contact-suppression · pound the zone vs limit damage
  • Hitter Vulnerabilities
    Biggest pitch-trait strengths & weaknesses · vs league or vs own
  • AAA Hitters
    Triple-A bats · xwOBA · contact quality · discipline · frontier
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Player Comparison

Side-by-side

Current season, prior year, and blended projection — plus Statcast percentiles.

Jonah HeimATH · C
Add at least one more player to compare. The tables below will still render so you can see what you’re working with.
2026 Season
Year to date
PlayerGPAAVGOBPSLGISOxwOBAK%BB%HRSBPPGxPPG
Jonah HeimATH2786.205.271.436.231.28617.4%8.1%402.19—
2025 Season
Prior year
PlayerGPAAVGOBPSLGISOxwOBAK%BB%HRSBPPGxPPG
Jonah HeimATH125435.212.272.330.118.27820.2%7.4%1131.31—
2026 Projection
Blended (ATC · ZiPS · Steamer · THE BAT · BATX · FG · Oopsy)
PlayerGPAAVGOBPSLGISOxwOBAK%BB%HRSBPPGxPPG
Jonah HeimATH26103.228.291.369.141.29619.1%7.8%301.76—
2026 Statcast percentiles
vs qualified MLB pool · red = elite, blue = poor
PlayerxwOBAxBAxSLGAvg EV90th EVBarrel %Hard-Hit %Bat SpeedChase %Whiff %
Jonah Heim.286.218.36485.698.26.325.068.633.119.1