The Comp Constellation

Profile-shape similarity over six weighted feature groups, standardized within this season's 257 qualified hitters (334+ 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. Stephenson, Tyler in signal, the comp in amber.

CIN · bats R · 487 PA

Ranked comps for Stephenson, Tyler

#PlayerSimilarityAgrees onDiffers onOpen
01 Aranda, Jonathan TB · L · 679 PA 0.78 Avg exit velocityBat speedOppo rate Chase rate +1.2zSprint speed -1.0zWhiff rate -1.0z Player Projection Swing lab
02 Suzuki, Seiya CHC · R · 634 PA 0.65 Chase ratexwOBA on contactGround-ball rate Sweet-spot rate -1.3zOppo rate -0.9zPull rate +0.9z Player Projection Swing lab
03 Abreu, Wilyer BOS · L · 692 PA 0.65 Walk ratexwOBA on contactOppo rate Chase rate +1.3zStrikeout rate -1.2zBat speed +1.2z Player Projection Swing lab
04 Baty, Brett NYM · L · 482 PA 0.64 Swing lengthxwOBA on contactSprint speed Bat speed +1.5zSweet-spot rate -1.2zChase rate +1.1z Player Projection Swing lab
05 Beavers, Dylan BAL · L · 368 PA 0.63 Strikeout rateFly-ball rateGround-ball rate Sprint speed +1.6zAvg exit velocity -1.3zPull rate +1.1z Player Projection Swing lab
06 Greene, Riley DET · L · 607 PA 0.62 Fly-ball rateHard-hit rateMax exit velocity Bat speed +1.8zxwOBA on contact +1.2zOppo rate -1.2z Player Projection Swing lab
07 Eldridge, Bryce SF · L · 456 PA 0.62 Whiff rateStrikeout rateSwing length Sweet-spot rate -1.2zOppo rate -1.2zWalk rate +1.1z Player Projection Swing lab
08 McLain, Matt CIN · R · 510 PA 0.62 Strikeout rateBat speedOppo rate Avg exit velocity -1.7zSwing length -1.3zSprint speed +1.3z Player Projection Swing lab
09 Karros, Kyle COL · R · 488 PA 0.62 Max exit velocitySprint speedSweet-spot rate Fly-ball rate -1.7zGround-ball rate +1.4zStrikeout rate -1.2z Player Projection Swing lab
10 Lowe, Nathaniel CIN · L · 437 PA 0.58 xwOBA on contactSwing lengthMax exit velocity Fly-ball rate -1.4zBat speed +1.3zSprint speed -1.1z Player Projection Swing lab
11 Reynolds, Bryan PIT · L · 713 PA 0.57 Avg exit velocityWhiff ratexwOBA on contact Ground-ball rate +2.0zFly-ball rate -1.2zSwing length -1.1z Player Projection Swing lab
12 Busch, Michael CHC · L · 726 PA 0.57 Isolated powerFly-ball rateWhiff rate Sweet-spot rate -1.6zPull rate +1.2zSwing length -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.