Devon Johnson is a Explosive Back for Marshall. Devon's 2014 season ranks in the 88th percentile nationally by opponent-adjusted EPA per play across 193 plays — a above-average rate for the RB.
Elite per-carry efficiency — breaks big runs and creates chunk plays at a top rate while in a limited role.
Players from 2014–2024 matched on EPA efficiency, play volume, and adjusted value tier — not just one metric.
| Player | Team | Yr | Plays | WEPA/play | Line val | Total EPA |
|---|---|---|---|---|---|---|
| Clyde Edwards-Helaire | LSU | 2019 | 216 | 0.490 | 5.0 | 105.8 |
| Dalvin Cook | Florida State | 2015 | 228 | 0.450 | 5.8 | 102.6 |
| Tyjae Spears | Tulane | 2022 | 234 | 0.450 | 5.7 | 105.3 |
| Travis Etienne | Clemson | 2019 | 213 | 0.470 | 4.7 | 100.1 |
| Anthony Wales | Western Kentucky | 2016 | 235 | 0.570 | 7.0 | 134.0 |
Comps are statistical — efficiency, volume, and value tier all factor in. Style and conference context differ.
| Wk | Opponent | Result | Opp SP+ | Car | Rush Yds | Avg | Rush TD | Rec | Rec Yds | Rec TD | EPA/play |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | @Miami (OH) | W42-27 | -18.7 | 19 | 151 | 7.9 | 2 | 1 | 9 | 0 | 0.31 |
| 2 | vsRhode Island | W48-7 | — | 14 | 137 | 9.8 |
Usage = share of team plays (CFBD has no true snap counts).
Chart shows per-game EPA (bars) and rolling 5-game average (line). Season breaks marked with dashed lines. Line value = est. points over replacement per game.
Car 15 · Rush Yds 131 · Avg 8.7 · Rush TD 1
| 1 |
| — |
| — |
| — |
| 0.51 |
| 3 | vsOhio | W44-14 | -11.7 | 14 | 91 | 6.5 | 1 | — | — | — | 0.22 |
| 4 | @Akron | W48-17 | -9.4 | 18 | 103 | 5.7 | 1 | 1 | 10 | 0 | 0.41 |
| 6 | @Old Dominion | W56-14 | -12.7 | 20 | 198 | 9.9 | 3 | — | — | — | 1.00 |
| 7 | vsMiddle Tennessee | W49-24 | -8.7 | 19 | 134 | 7.1 | 3 | — | — | — | 0.54 |
| 8 | @Florida International | W45-13 | -16.2 | 9 | 117 | 13.0 | 0 | 3 | 79 | 2 | 0.97 |
| 9 | vsFlorida Atlantic | W35-16 | -10.4 | 24 | 272 | 11.3 | 4 | — | — | — | 0.57 |
| 12 | vsRice | W41-14 | -3.1 | 27 | 199 | 7.4 | 1 | — | — | — | 0.45 |
| 13 | @UAB | W23-18 | -4.2 | 20 | 171 | 8.6 | 0 | 1 | 23 | 0 | 0.40 |
| 14 | vsWestern Kentucky | L66-67 | -2.6 | 3 | 29 | 9.7 | 0 | — | — | — | 0.79 |
| 15 | vsLouisiana Tech | W26-23 | -1.7 | 4 | 34 | 8.5 | 0 | — | — | — | 0.90 |
| 1 | vsNorthern Illinois | W52-23 | -0.6 | 15 | 131 | 8.7 | 1 | — | — | — | 0.36 |
