

Tyler Ervin is a Featured Back for San José State. Tyler's 2015 season ranks in the 0th percentile nationally by opponent-adjusted EPA per play across 339 plays — a developing rate for the RB.
The centerpiece of the run game — high carry volume, used in early downs and goal-line, true workhorse 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 |
|---|---|---|---|---|---|---|
| Donnel Pumphrey | San Diego State | 2016 | 344 | 0.320 | 4.2 | 110.1 |
| Saquon Barkley | Penn State | 2016 | 288 | 0.340 | 3.9 | 97.9 |
| Dalvin Cook | Florida State | 2016 | 292 | 0.340 | 4.3 | 99.3 |
| Eno Benjamin | Arizona State | 2018 | 316 | 0.330 | 4.6 | 104.3 |
| Jeremy McNichols | Boise State | 2016 | 340 | 0.330 | 4.7 | 112.2 |
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 | vsNew Hampshire | W43-13 | — | 20 | 127 | 6.3 | 3 | 3 | 34 | 0 | 0.30 |
| 2 | @Air Force | L16-37 | 4.7 | 12 | 121 | 10.1 | 1 | 3 | 28 | 1 | 0.64 |
| 3 | @Oregon State | L21-35 | -10.1 | 21 |
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 30 · Rush Yds 132 · Avg 4.4 · Rush TD 0
| 93 |
| 4.4 |
| 2 |
| 6 |
| 30 |
| 0 |
| 0.11 |
| 4 | vsFresno State | W49-23 | -12.6 | 42 | 300 | 7.1 | 3 | 4 | 45 | 0 | 0.60 |
| 5 | @Auburn | L21-35 | 14.6 | 27 | 160 | 5.9 | 1 | 1 | 11 | 0 | 0.28 |
| 6 | @UNLV | W33-27 | -16.2 | 18 | 73 | 4.1 | 1 | 8 | 74 | 1 | 0.20 |
| 7 | vsSan Diego State | L7-30 | 8.0 | 17 | 22 | 1.3 | 0 | 3 | -1 | 0 | -0.38 |
| 8 | vsNew Mexico | W31-21 | -8.7 | 36 | 263 | 7.3 | 1 | 2 | 11 | 0 | 0.13 |
| 10 | vsBYU | L16-17 | 8.7 | 23 | 80 | 3.5 | 0 | 4 | 13 | 0 | -0.16 |
| 11 | @Nevada | L34-37 | -7.1 | 17 | 64 | 3.8 | 0 | — | — | — | -0.19 |
| 12 | @Hawai'i | W42-23 | -16.3 | 20 | 114 | 5.7 | 1 | 6 | 62 | 0 | 0.35 |
| 13 | vsBoise State | L23-40 | 11.8 | 11 | 52 | 4.7 | 0 | 4 | 30 | 0 | -0.13 |
| 1 | vsGeorgia State | W27-16 | -6.7 | 30 | 132 | 4.4 | 0 | 1 | -3 | 0 | -0.02 |