Zack Langer is a Explosive Back for Tulsa. Zack's 2015 season ranks in the 53th percentile nationally by opponent-adjusted EPA per play across 201 plays — a 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 |
|---|---|---|---|---|---|---|
| Saquon Barkley | Penn State | 2016 | 288 | 0.340 | 3.9 | 97.9 |
| Travis Etienne | Clemson | 2019 | 213 | 0.470 | 4.7 | 100.1 |
| Saquon Barkley | Penn State | 2017 | 240 | 0.410 | 5.2 | 98.4 |
| James Flanders | Tulsa | 2016 | 266 | 0.390 | 4.9 | 103.7 |
| Dalvin Cook | Florida State | 2016 | 292 | 0.340 | 4.3 | 99.3 |
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 | vsFlorida Atlantic | W47-44 | -9.8 | 24 | 89 | 3.7 | 3 | 1 | 34 | 0 | 0.50 |
| 2 | @New Mexico | W40-21 | -8.7 | 33 | 139 | 4.2 | 1 | — | — | — | 0.06 |
| 3 | @Oklahoma | L38-52 | 22.7 | 31 |
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 8 · Rush Yds 63 · Avg 7.9 · Rush TD 1
| 161 |
| 5.2 |
| 1 |
| 2 |
| 20 |
| 0 |
| 0.20 |
| 5 | vsHouston | L24-38 | 6.2 | 19 | 62 | 3.3 | 3 | — | — | — | 0.02 |
| 6 | vsUL Monroe | W34-24 | -14.7 | 28 | 69 | 2.5 | 2 | — | — | — | 0.03 |
| 7 | @East Carolina | L17-30 | -0.5 | 18 | 76 | 4.2 | 1 | — | — | — | 0.23 |
| 9 | @SMU | W40-31 | -17.5 | 16 | 35 | 2.2 | 3 | — | — | — | 0.47 |
| 11 | @Cincinnati | L38-49 | 5.3 | 1 | 0 | 0.0 | 0 | — | — | — | -0.73 |
| 12 | vsNavy | L21-44 | 12.1 | 15 | 69 | 4.6 | 2 | 1 | 7 | 0 | 0.06 |
| 13 | @Tulane | W45-34 | -14.0 | 8 | 14 | 1.8 | 1 | — | — | — | -0.08 |
| 1 | vsVirginia Tech | L52-55 | 11.4 | 8 | 63 | 7.9 | 1 | — | — | — | 0.63 |
