Alexander Mattison is a 2-year Featured Back for Boise State. Alexander's 2018 season ranks in the 8th percentile nationally by opponent-adjusted EPA per play across 308 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 |
|---|---|---|---|---|---|---|
| Saquon Barkley | Penn State | 2016 | 288 | 0.340 | 3.9 | 97.9 |
| Donnel Pumphrey | San Diego State | 2016 | 344 | 0.320 | 4.2 | 110.1 |
| Dalvin Cook | Florida State | 2016 | 292 | 0.340 | 4.3 | 99.3 |
| Breece Hall | Iowa State | 2020 | 301 | 0.340 | 4.5 | 102.3 |
| Eno Benjamin | Arizona State | 2018 | 316 | 0.330 | 4.6 | 104.3 |
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 | @Troy | W56-20 | 2.6 | 14 | 56 | 4.0 | 1 | 1 | 2 | 0 | -0.04 |
| 2 | vsUConn | W62-7 | -26.4 | 11 | 115 | 10.5 | 2 | 1 | 3 | 0 | 0.73 |
| 3 | @Oklahoma State | L21-44 | 13.8 | 14 |
Usage = share of team plays (CFBD has no true snap counts).
| Season | Team | Line value | WEPA/play | YoY Δ | Total EPA |
|---|---|---|---|---|---|
| 2017 | Boise State | 1.4 | 0.220 | — | 49.3 |
| 2018 | Boise State | 2.8 | 0.260 | +0.04 | 77.5 |
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 40 · Rush Yds 200 · Avg 5.0 · Rush TD 1
| 50 |
| 3.6 |
| 0 |
| 1 |
| 5 |
| 0 |
| -0.24 |
| 5 | @Wyoming | W34-14 | 1.9 | 20 | 57 | 2.8 | 1 | 3 | 15 | 0 | -0.19 |
| 6 | vsSan Diego State | L13-19 | 6.0 | 25 | 66 | 2.6 | 2 | 1 | 9 | 0 | 0.01 |
| 7 | @Nevada | W31-27 | -0.5 | 24 | 69 | 2.9 | 0 | 4 | 28 | 0 | -0.16 |
| 8 | vsColorado State | W56-28 | -10.3 | 20 | 85 | 4.3 | 1 | 2 | 4 | 0 | — |
| 9 | @Air Force | W48-38 | -1.8 | 22 | 136 | 6.2 | 1 | — | — | — | 0.50 |
| 10 | vsBYU | W21-16 | 6.2 | 25 | 89 | 3.6 | 2 | 5 | 40 | 0 | 0.18 |
| 11 | vsFresno State | W24-17 | 17.4 | 30 | 144 | 4.8 | 2 | 3 | 15 | 0 | 0.22 |
| 12 | @New Mexico | W45-14 | -9.5 | 20 | 145 | 7.3 | 1 | 3 | 40 | 0 | 0.39 |
| 13 | vsUtah State | W33-24 | 14.2 | 37 | 200 | 5.4 | 3 | 3 | 12 | 0 | -0.01 |
| 14 | vsFresno State | L16-19 | 17.4 | 40 | 200 | 5.0 | 1 | — | — | — | 0.02 |