College production summary feeding the v3.0 similarity vector. The engine weights these features against the prospect corpus (2000–present) to build the comp grid below.
Historical college players whose production curves most closely match Spencer Rattler. Hit-label colouring tags each comp's eventual NFL outcome: elite, starter, bust, unknown (still developing or never reached the NFL). Click an NFL name to jump to its veteran page when available.
| College player | School | Class | Similarity | NFL outcome | NFL career | Career fp | Peak3 fp/g | Seasons |
|---|---|---|---|---|---|---|---|---|
| Kellen Mond | Texas A&M | 2021 | 0.829 | unknown | Kellen Mond | 0 | 0.2 | 1 |
| Matt Barkley | USC | 2013 | 0.762 | unknown | Matt Barkley | 106 | 10.1 | 7 |
| Justin Herbert | Oregon | 2020 | 0.752 | elite | Justin Herbert | 1872 | 20.9 | 7 |
| Will Howard | Ohio State | 2025 | 0.713 | unknown | Will Howard | — | — | — |
| Taulia Tagovailoa | Maryland | 2024 | 0.711 | unknown | Taulia Tagovailoa | — | — | — |
| Jordan Travis | Florida State | 2024 | 0.683 | unknown | Jordan Travis | — | — | — |
| Drew Lock | Missouri | 2019 | 0.629 | starter | Drew Lock | 445 | 14.9 | 7 |
| Landry Jones | Oklahoma | 2013 | 0.610 | bust | Landry Jones | 64 | 3.6 | 3 |
| Max Duggan | TCU | 2023 | 0.608 | unknown | Max Duggan | — | — | — |
| Aaron Murray | Georgia | 2014 | 0.583 | unknown | Aaron Murray | — | — | — |
| Sean Clifford | Penn State | 2023 | 0.552 | unknown | Sean Clifford | 1 | 0.6 | 1 |
| Russell Wilson | Wisconsin | 2012 | 0.550 | elite | Russell Wilson | 3765 | 21.7 | 14 |
| Spencer Sanders | Oklahoma State | 2023 | 0.549 | unknown | Spencer Sanders | — | — | — |
| Jaxson Dart | Ole Miss | 2025 | 0.536 | starter | Jaxson Dart | 269 | 15.5 | 2 |
| Riley Leonard | Notre Dame | 2025 | 0.535 | unknown | Riley Leonard | 31 | 6.2 | 1 |
| Charlie Brewer | Baylor | 2021 | 0.532 | unknown | Charlie Brewer | — | — | — |
| Jake Locker | Washington | 2011 | 0.510 | starter | Jake Locker | 345 | 12.0 | 4 |
| Philip Rivers | North Carolina State | 2004 | 0.500 | starter | Philip Rivers | 3845 | 17.9 | 18 |
| KJ Jefferson | UCF | 2025 | 0.499 | unknown | KJ Jefferson | — | — | — |
| Haynes King | Colorado | 2026 | 0.499 | unknown | Haynes King | — | — | — |
| Garrett Greene | West Virginia | 2025 | 0.486 | unknown | Garrett Greene | — | — | — |
| Manny Wilkins | Arizona State | 2019 | 0.477 | unknown | Manny Wilkins | — | — | — |
| Trevor Knight | Texas A&M | 2017 | 0.474 | unknown | Trevor Knight | — | — | — |
| Davis Webb | California | 2017 | 0.461 | unknown | Davis Webb | 21 | 10.3 | 2 |
| Taylor Martinez | Nebraska | 2014 | 0.459 | unknown | Taylor Martinez | — | — | — |
Methodology details: v3.0 prospect engine — PR 3 similarity, PR 4 projection, PR 5 back-test.