The Comp Constellation
Profile-shape similarity over six weighted feature groups, standardized within this season's 255 qualified hitters (336+ 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 · 714 PA
Ranked comps for Tatis Jr., Fernando
| # | Player | Similarity | Agrees on | Differs on | Open |
|---|---|---|---|---|---|
| 01 | Chourio, Jackson MIL · R · 582 PA | 0.62 | Whiff rateSprint speedSweet-spot rate | Fly-ball rate +2.0zChase rate +1.2zGround-ball rate -1.0z | Player Projection Swing lab |
| 02 | Reynolds, Bryan PIT · L · 717 PA | 0.60 | Chase rateWhiff rateIsolated power | Sweet-spot rate +1.4zWalk rate +1.2zFly-ball rate +1.0z | Player Projection Swing lab |
| 03 | Ramos, Heliot SF · R · 455 PA | 0.58 | Oppo rateGround-ball ratePull rate | Strikeout rate +1.4zMax exit velocity -1.3zSprint speed -1.3z | Player Projection Swing lab |
| 04 | Smith, Cam HOU · R · 577 PA | 0.56 | Isolated powerPull rateSweet-spot rate | In-zone contact -1.4zAvg exit velocity -1.3zHard-hit rate -1.3z | Player Projection Swing lab |
| 05 | House, Brady WSH · R · 367 PA | 0.54 | Oppo ratexwOBA on contactGround-ball rate | In-zone contact -1.5zChase rate +1.4zBarrel rate -1.3z | Player Projection Swing lab |
| 06 | Acuña Jr., Ronald ATL · R · 479 PA | 0.54 | Bat speedPull rateOppo rate | In-zone contact -1.8zGround-ball rate -1.5zSprint speed -1.3z | Player Projection Swing lab |
| 07 | Witt Jr., Bobby KC · R · 638 PA | 0.53 | Avg exit velocityIn-zone contactxwOBA on contact | Ground-ball rate -2.4zSweet-spot rate +1.6zChase rate +1.2z | Player Projection Swing lab |
| 08 | Rodríguez, Julio SEA · R · 664 PA | 0.52 | Sprint speedWhiff ratePull rate | Chase rate +2.0zGround-ball rate -1.4zHard-hit rate -1.2z | Player Projection Swing lab |
| 09 | Baldwin, Drake ATL · L · 636 PA | 0.52 | Barrel rateIsolated powerBat speed | Sprint speed -2.3zSweet-spot rate +1.6zChase rate +1.4z | Player Projection Swing lab |
| 10 | De La Cruz, Elly CIN · L · 655 PA | 0.50 | Chase rateHard-hit rateSwing length | In-zone contact -1.6zSweet-spot rate +1.6zStrikeout rate +1.4z | Player Projection Swing lab |
| 11 | Butler, Lawrence ATH · L · 550 PA | 0.49 | Whiff rateFly-ball rateChase rate | Sprint speed -1.7zBarrel rate -1.5zIn-zone contact -1.4z | Player Projection Swing lab |
| 12 | Soderstrom, Tyler ATH · L · 466 PA | 0.49 | Chase rateIn-zone contactStrikeout rate | Oppo rate -1.4zxwOBA on contact -1.4zSprint speed -1.4z | 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.