Josh Mack is a Explosive Back for Liberty. Josh's 2019 season ranks in the 25th percentile nationally by opponent-adjusted EPA per play across 129 plays — a developing 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 |
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 | vsSyracuse | L0-24 | -3.0 | 2 | 2 | 1.0 | 0 | — | — | — | -2.56 |
| 2 | @Louisiana | L14-35 | 9.6 | 3 | 18 | 6.0 | 0 | — | — | — | 0.42 |
| 3 | vsBuffalo | W35-17 | -2.0 | 9 |
Usage = share of team plays (CFBD has no true snap counts).
Car 11 · Rush Yds 25 · Avg 2.3 · Rush TD 1
| 59 |
| 6.6 |
| 0 |
| — |
| — |
| — |
| 0.36 |
| 4 | vsHampton | W62-27 | — | 10 | 55 | 5.5 | 1 | — | — | — | 0.50 |
| 5 | vsNew Mexico | W17-10 | -17.0 | 14 | 95 | 6.8 | 0 | — | — | — | 0.09 |
| 6 | @New Mexico State | W20-13 | -22.0 | 16 | 113 | 7.1 | 1 | 2 | 64 | 0 | 0.53 |
| 8 | vsMaine | W59-44 | — | 11 | 45 | 4.1 | 1 | 3 | 30 | 0 | 0.16 |
| 9 | @Rutgers | L34-44 | -14.6 | 11 | 109 | 9.9 | 2 | 1 | 1 | 0 | 0.81 |
| 10 | @Massachusetts | W63-21 | -34.6 | 15 | 85 | 5.7 | 0 | 1 | 62 | 0 | 0.59 |
| 11 | @BYU | L24-31 | 1.3 | 12 | 40 | 3.3 | 0 | 3 | -1 | 0 | -0.21 |
| 13 | @Virginia | L27-55 | 6.3 | 3 | 10 | 3.3 | 0 | — | — | — | -0.09 |
| 14 | vsNew Mexico State | W49-28 | -22.0 | 16 | 118 | 7.4 | 1 | 1 | 5 | 0 | 0.26 |
| 1 | vsGeorgia Southern | W23-16 | -4.5 | 11 | 25 | 2.3 | 1 | 2 | 16 | 0 | -0.13 |
