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 Sam Howell. 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 |
|---|---|---|---|---|---|---|---|---|
| Vince Young | Texas | 2006 | 0.709 | unknown | Vince Young | 637 | 11.8 | 6 |
| Baker Mayfield | Oklahoma | 2018 | 0.618 | elite | Baker Mayfield | 1975 | 18.3 | 9 |
| Graham Harrell | Texas Tech | 2009 | 0.582 | unknown | Graham Harrell | -2 | -0.5 | 1 |
| Tajh Boyd | Clemson | 2014 | 0.579 | unknown | Tajh Boyd | — | — | — |
| Caleb Williams | USC | 2024 | 0.522 | starter | Caleb Williams | 670 | 17.7 | 3 |
| Dak Prescott | Mississippi State | 2016 | 0.520 | elite | Dak Prescott | 2747 | 22.8 | 11 |
| Marcus Mariota | Oregon | 2015 | 0.488 | elite | Marcus Mariota | 1397 | 20.3 | 12 |
| Braxton Miller | Ohio State | 2014 | 0.481 | unknown | Braxton Miller | — | — | — |
| Deshaun Watson | Clemson | 2017 | 0.420 | elite | Deshaun Watson | 1558 | 22.9 | 8 |
| Patrick Mahomes | Texas Tech | 2017 | 0.419 | elite | Patrick Mahomes | 2842 | 25.2 | 10 |
| Geno Smith | West Virginia | 2013 | 0.377 | starter | Geno Smith | 1531 | 17.8 | 13 |
| Mason Rudolph | Oklahoma State | 2018 | 0.358 | unknown | Mason Rudolph | 296 | 10.9 | 7 |
| Ell Roberson | Kansas State | 2004 | 0.358 | unknown | Ell Roberson | — | — | — |
| Jalen Milroe | Alabama | 2025 | 0.350 | unknown | Jalen Milroe | -2 | -0.5 | 1 |
| Marquise Williams | North Carolina | 2016 | 0.346 | unknown | Marquise Williams | — | — | — |
| Justin Fields | Ohio State | 2021 | 0.343 | starter | Justin Fields | 915 | 17.8 | 5 |
| Kyler Murray | Oklahoma | 2019 | 0.339 | elite | Kyler Murray | 1760 | 21.1 | 8 |
| Denard Robinson | Michigan | 2013 | 0.322 | unknown | Denard Robinson | — | — | — |
| James Franklin | Missouri | 2014 | 0.319 | unknown | James Franklin | — | — | — |
| Kliff Kingsbury | Texas Tech | 2003 | 0.312 | unknown | Kliff Kingsbury | 1 | 0.7 | 1 |
| Trevor Lawrence | Clemson | 2021 | 0.306 | elite | Trevor Lawrence | 1388 | 18.6 | 6 |
| Chase Daniel | Missouri | 2009 | 0.300 | unknown | Chase Daniel | 108 | 6.7 | 13 |
| Andrew Luck | Stanford | 2012 | 0.273 | elite | Andrew Luck | 1687 | 21.0 | 6 |
| Taylor Kelly | Arizona State | 2015 | 0.264 | unknown | Taylor Kelly | — | — | — |
| Jerrod Johnson | Texas A&M; | 2011 | 0.261 | unknown | Jerrod Johnson | — | — | — |
Methodology details: v3.0 prospect engine — PR 3 similarity, PR 4 projection, PR 5 back-test.