The Comp Constellation
Profile-shape similarity over six weighted feature groups, standardized within this season's 258 qualified hitters (286+ 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. Tatis Jr., Fernando in signal, the comp in amber.
SD · bats R · 605 PA
Ranked comps for Tatis Jr., Fernando
| # | Player | Similarity | Agrees on | Differs on | Open |
|---|---|---|---|---|---|
| 01 | Reynolds, Bryan PIT · L · 620 PA | 0.68 | Isolated powerChase ratePull rate | Walk rate +1.3zBat speed -0.9zFly-ball rate +0.9z | Player Projection Swing lab |
| 02 | Smith, Cam HOU · R · 493 PA | 0.63 | Pull rateIsolated powerSprint speed | In-zone contact -1.2zFly-ball rate +1.1zHard-hit rate -1.1z | Player Projection Swing lab |
| 03 | De La Cruz, Elly CIN · L · 552 PA | 0.62 | Barrel rateChase rateHard-hit rate | In-zone contact -1.4zStrikeout rate +1.3zFly-ball rate +1.2z | Player Projection Swing lab |
| 04 | Chourio, Jackson MIL · R · 474 PA | 0.62 | In-zone contactAvg exit velocitySprint speed | Fly-ball rate +1.9zChase rate +1.3zPull rate -0.9z | Player Projection Swing lab |
| 05 | Baldwin, Drake ATL · L · 526 PA | 0.59 | Avg exit velocityxwOBA on contactBat speed | Sprint speed -2.2zChase rate +1.2zMax exit velocity -1.1z | Player Projection Swing lab |
| 06 | Ramos, Heliot SF · R · 393 PA | 0.57 | Barrel rateIsolated powerAvg exit velocity | Chase rate +1.4zMax exit velocity -1.4zStrikeout rate +1.3z | Player Projection Swing lab |
| 07 | Acuña Jr., Ronald ATL · R · 378 PA | 0.56 | Sweet-spot ratexwOBA on contactBat speed | In-zone contact -1.9zSprint speed -1.4zGround-ball rate -1.2z | Player Projection Swing lab |
| 08 | House, Brady WSH · R · 299 PA | 0.56 | Isolated powerGround-ball ratexwOBA on contact | In-zone contact -1.6zChase rate +1.3zStrikeout rate +1.3z | Player Projection Swing lab |
| 09 | Witt Jr., Bobby KC · R · 537 PA | 0.56 | xwOBA on contactBarrel rateAvg exit velocity | Ground-ball rate -2.2zSweet-spot rate +1.2zFly-ball rate +1.2z | Player Projection Swing lab |
| 10 | Rodríguez, Julio SEA · R · 561 PA | 0.50 | Isolated powerSprint speedPull rate | Chase rate +2.2zGround-ball rate -1.5zHard-hit rate -1.3z | Player Projection Swing lab |
| 11 | Nimmo, Brandon TEX · L · 575 PA | 0.49 | Pull rateIsolated powerAvg exit velocity | Max exit velocity -1.9zOppo rate -1.6zGround-ball rate -1.4z | Player Projection Swing lab |
| 12 | Butler, Lawrence ATH · L · 447 PA | 0.49 | Whiff rateSweet-spot rateChase rate | Barrel rate -1.6zSprint speed -1.6zIn-zone contact -1.5z | 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.