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 Roschon Johnson. 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 |
|---|---|---|---|---|---|---|---|---|
| Justin Davis | USC | 2017 | 0.833 | unknown | Justin Davis | 2 | 0.3 | 2 |
| Mike Davis | South Carolina | 2009 | 0.747 | unknown | Mike Davis | 581 | 10.5 | 8 |
| Onterio McCalebb | Auburn | 2013 | 0.739 | unknown | Onterio McCalebb | — | — | — |
| Lydell Ross | Ohio State | 2005 | 0.692 | unknown | Lydell Ross | — | — | — |
| David Bailey | Colorado State | 2022 | 0.688 | unknown | David Bailey | — | — | — |
| Vic Anderson | Louisville | 2012 | 0.688 | unknown | Vic Anderson | — | — | — |
| Cade Carney | Wake Forest | 2020 | 0.684 | unknown | Cade Carney | — | — | — |
| Keola Antolin | Arizona | 2012 | 0.676 | unknown | Keola Antolin | — | — | — |
| Deshawn Wynn | Florida | 2007 | 0.667 | bust | DeShawn Wynn | 89 | 5.4 | 4 |
| Ty Johnson | Maryland | 2019 | 0.665 | unknown | Ty Johnson | 541 | 6.8 | 8 |
| Jeff Demps | Florida | 2012 | 0.661 | unknown | Jeff Demps | 6 | 3.2 | 1 |
| Jeff Scott | Ole Miss | 2014 | 0.644 | unknown | Jeff Scott | — | — | — |
| Johnathan Gray | Texas | 2016 | 0.634 | unknown | Johnathan Gray | — | — | — |
| Kennedy McKoy | West Virginia | 2020 | 0.634 | unknown | Kennedy McKoy | — | — | — |
| Brittain Brown | UCLA | 2022 | 0.623 | unknown | Brittain Brown | 10 | 2.4 | 2 |
| Silas Redd | USC | 2014 | 0.623 | unknown | Silas Redd | 32 | 3.6 | 1 |
| Chris Markey | UCLA | 2008 | 0.610 | unknown | Chris Markey | — | — | — |
| Josh Harris | Wake Forest | 2014 | 0.600 | unknown | Josh Harris | 2 | 0.8 | 1 |
| Stevie Hicks Jr. | Iowa State | 2007 | 0.599 | unknown | Stevie Hicks Jr. | — | — | — |
| JaMycal Hasty | Baylor | 2020 | 0.599 | bust | JaMycal Hasty | 181 | 5.0 | 5 |
| Treshaun Ward | Boston College | 2025 | 0.598 | unknown | Treshaun Ward | — | — | — |
| Cam Porter | Northwestern | 2025 | 0.587 | unknown | Cam Porter | — | — | — |
| Javarris James | Miami (FL) | 2010 | 0.587 | unknown | Javarris James | 60 | 6.0 | 1 |
| LJ Scott | Michigan State | 2019 | 0.585 | unknown | LJ Scott | — | — | — |
| Jason Ford | Illinois | 2012 | 0.575 | unknown | Jason Ford | — | — | — |
Methodology details: v3.0 prospect engine — PR 3 similarity, PR 4 projection, PR 5 back-test.