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 KJ Duff. 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 |
|---|---|---|---|---|---|---|---|---|
| Anton Paige | Texas Tech | 2003 | 0.875 | unknown | Anton Paige | — | — | — |
| Chris Matthews | Kentucky | 2011 | 0.825 | bust | Chris Matthews | 40 | 1.4 | 3 |
| Andrae Thurman | Arizona | 2003 | 0.805 | unknown | Andrae Thurman | 19 | 1.4 | 2 |
| Drew Wolitarsky | Minnesota | 2017 | 0.779 | unknown | Drew Wolitarsky | — | — | — |
| R.J. English | Pitt | 2002 | 0.777 | unknown | R.J. English | — | — | — |
| Chris Gragg | Arkansas | 2013 | 0.766 | unknown | Chris Gragg | — | — | — |
| Rueben Randle | LSU | 2012 | 0.760 | unknown | Rueben Randle | 572 | 10.5 | 4 |
| Lashaun Ward | California | 2003 | 0.760 | unknown | LaShaun Ward | 0 | 0.0 | 1 |
| Deyon Williams | Virginia | 2006 | 0.735 | unknown | Deyon Williams | — | — | — |
| Deontay Burnett | USC | 2018 | 0.725 | bust | Deontay Burnett | 36 | 5.5 | 3 |
| Anthony Nash | Duke | 2017 | 0.723 | unknown | Anthony Nash | — | — | — |
| Daniel Graham | Colorado | 2002 | 0.713 | unknown | Daniel Graham | — | — | — |
| Bralon Addison | Oregon | 2014 | 0.712 | unknown | Bralon Addison | 2 | 1.2 | 1 |
| Malcome Kennedy | Texas A&M; | 2014 | 0.694 | unknown | Malcome Kennedy | — | — | — |
| Quincy Enunwa | Nebraska | 2014 | 0.681 | unknown | Quincy Enunwa | 310 | 7.8 | 4 |
| Justin McCullum | Stanford | 2006 | 0.671 | unknown | Justin McCullum | — | — | — |
| Fred Davis | USC | 2008 | 0.671 | unknown | Fred Davis | — | — | — |
| L'Damian Washington | Missouri | 2014 | 0.664 | unknown | L'Damian Washington | — | — | — |
| Aaron Hernandez | Florida | 2010 | 0.663 | unknown | Aaron Hernandez | — | — | — |
| Anthony Gonzalez | Ohio State | 2007 | 0.662 | unknown | Anthony Gonzalez | 272 | 8.4 | 4 |
| Herb Haygood | Michigan State | 2002 | 0.661 | unknown | Herb Haygood | 0 | 0.0 | 1 |
| Domonique Young | Purdue | 2017 | 0.646 | unknown | Domonique Young | — | — | — |
| Riley Cooper | Florida | 2010 | 0.646 | unknown | Riley Cooper | 523 | 8.5 | 6 |
| Mario Craver | Texas A&M | 2026 | 0.645 | unknown | Mario Craver | — | — | — |
| Brandon Whitaker | Baylor | 2008 | 0.642 | unknown | Brandon Whitaker | — | — | — |
Methodology details: v3.0 prospect engine — PR 3 similarity, PR 4 projection, PR 5 back-test.