The Comp Constellation

Profile-shape similarity over six weighted feature groups, standardized within this season's 264 qualified hitters (202+ 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. Rooker, Brent in signal, the comp in amber.

ATH · bats R · 215 PA

Ranked comps for Rooker, Brent

#PlayerSimilarityAgrees onDiffers onOpen
01 Carpenter, Kerry DET · L · 255 PA 0.70 Strikeout rateFly-ball rateOppo rate Barrel rate -1.3zWhiff rate -1.0zPull rate +1.0z
02 Happ, Ian CHC · L · 416 PA 0.67 Hard-hit rateStrikeout rateMax exit velocity Walk rate +1.4zSweet-spot rate -1.3zChase rate -1.2z
03 Lowe, Brandon PIT · L · 418 PA 0.67 xwOBA on contactMax exit velocitySwing length Pull rate +1.8zOppo rate -1.2zFly-ball rate -0.9z
04 Devers, Rafael SF · L · 415 PA 0.65 Pull rateWalk rateIn-zone contact Whiff rate -1.3zSprint speed -1.1zFly-ball rate -1.1z
05 Hernández, Teoscar LAD · R · 271 PA 0.63 Avg exit velocityxwOBA on contactIn-zone contact Swing length +1.5zOppo rate +1.3zFly-ball rate -0.9z
06 Greene, Riley DET · L · 423 PA 0.62 Sweet-spot rateGround-ball rateOppo rate Fly-ball rate -1.4zWhiff rate -1.3zIn-zone contact +1.3z
07 Neto, Zach LAA · R · 440 PA 0.61 Oppo rateSprint speedStrikeout rate Pull rate +1.7zBat speed -1.3zIn-zone contact +1.3z
08 Laureano, Ramón SD · R · 224 PA 0.60 Swing lengthStrikeout rateChase rate Fly-ball rate -1.7zOppo rate +1.6zGround-ball rate +0.9z
09 Raley, Luke SEA · L · 281 PA 0.56 Barrel rateStrikeout rateBat speed Fly-ball rate -2.0zPull rate +1.2zWalk rate -1.1z
10 Caissie, Owen MIA · L · 255 PA 0.56 Bat speedPull rateGround-ball rate Sweet-spot rate +2.6zFly-ball rate -1.3zStrikeout rate +1.3z
11 Riley, Austin ATL · R · 404 PA 0.55 Avg exit velocityHard-hit rateWalk rate Sweet-spot rate -1.4zFly-ball rate -1.4zBarrel rate -1.2z
12 McMahon, Ryan NYY · L · 245 PA 0.55 xwOBA on contactChase rateStrikeout rate Fly-ball rate -1.7zSprint speed -1.3zIn-zone contact +1.2z

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.