The Comp Constellation

Profile-shape similarity over six weighted feature groups, standardized within this season's 259 qualified hitters (210+ PA). Closer to the center star = more alike. xwOBA is deliberately excluded: this maps how hitters are built, not results twins.

strong match (0.55+) moderate (0.45 to 0.55) weaker (< 0.45) star size + line weight scale with similarity · rings mark 0.70 / 0.50 / 0.30 · hover a star for why, click for the fingerprint
Radial fingerprint · population percentiles

Two profile shapes drawn over the same axes: overlap is what makes them comps, gaps are where they part. Wetherholt, JJ in signal, the comp in amber.

STL · bats L · 431 PA

Ranked comps for Wetherholt, JJ

#PlayerSimilarityAgrees onDiffers onOpen
01 Grissom, Vaughn LAA · R · 218 PA 0.82 Max exit velocityIsolated powerWhiff rate Chase rate +0.9zSwing length -0.8zSprint speed -0.8z Player Projection Swing lab
02 Yastrzemski, Mike ATL · L · 273 PA 0.76 Fly-ball rateAvg exit velocityIn-zone contact Pull rate +1.3zStrikeout rate +1.3zChase rate +0.6z Player Projection Swing lab
03 Bellinger, Cody NYY · L · 423 PA 0.74 Whiff ratexwOBA on contactFly-ball rate Chase rate +1.3zHard-hit rate -1.2zPull rate +0.9z Player Projection Swing lab
04 Tucker, Kyle LAD · L · 404 PA 0.74 Oppo ratexwOBA on contactIsolated power Sprint speed -1.2zPull rate +1.0zHard-hit rate -0.9z Player Projection Swing lab
05 Rutschman, Adley BAL · L · 299 PA 0.73 xwOBA on contactOppo rateBarrel rate Swing length -1.3zSprint speed -1.1zIn-zone contact +0.9z Player Projection Swing lab
06 Steer, Spencer CIN · R · 386 PA 0.71 Fly-ball rateAvg exit velocityMax exit velocity Pull rate +1.1zIsolated power +1.1zStrikeout rate +1.0z Player Projection Swing lab
07 O'Hearn, Ryan PIT · L · 367 PA 0.71 Avg exit velocityPull rateGround-ball rate Chase rate +1.6zStrikeout rate +1.0zSwing length -0.9z Player Projection Swing lab
08 Springer, George TOR · R · 320 PA 0.69 Bat speedWalk rateBarrel rate Sweet-spot rate -1.4zIsolated power +1.0zMax exit velocity +1.0z Player Projection Swing lab
09 Realmuto, J.T. PHI · R · 278 PA 0.67 Pull rateIsolated powerMax exit velocity Chase rate +1.6zSweet-spot rate -1.2zBarrel rate -1.0z Player Projection Swing lab
10 Grisham, Trent NYY · L · 325 PA 0.67 xwOBA on contactFly-ball rateHard-hit rate Walk rate +1.5zMax exit velocity +1.0zChase rate -1.0z Player Projection Swing lab
11 Pages, Andy LAD · R · 436 PA 0.65 Barrel rateHard-hit rateBat speed Chase rate +1.8zPull rate -1.2zOppo rate +1.0z Player Projection Swing lab
12 Larnach, Trevor MIN · L · 314 PA 0.64 Max exit velocityxwOBA on contactBat speed Hard-hit rate -1.4zChase rate +1.2zAvg exit velocity -1.1z Player Projection Swing lab

Weighted RMS z-distance over 6 feature groups, standardized within the qualified population; similarity = exp(-alpha * d^2), one global fixed transform. xwOBA excluded by design: this matches profile shape, not outcome twins. Descriptive, not predictive.