Running back, Utah, 2010–13
Karl Williams
- Number
- No. 38
- Height
- 6′0″
- Hometown
- Layton, UT
Karl Williams played running back at Utah (2010–13).
Rushing
Receiving
Season lines from CollegeFootballData, regular season and bowls.
Defense before 2016
| Season | G | Solo | Ast | Tkl | TFL |
|---|---|---|---|---|---|
| 2011N | 13 | 4 | 7 | 11 | 1 |
| 2012 | 9 | 4 | 2 | 6 | 0 |
| 2013N | 11 | 7 | 2 | 9 | 0 |
| On file | 15 | 11 | 26 | 1 | |
Our box scores carry tackles, tackles for loss and sacks from 2016 only, so these come from other sources, marked by season: unmarked, cfbstats.com (Open Data Commons Attribution License), its game lines summed (G: the games he has a line in); N, NCAA statistics, via octonion/football, the season’s official lines (G: games played). A dash: the source has no number for it.
On the roster
As each season’s roster listed the player (CollegeFootballData). Classes before the latest listing are counted back from it; “Yr 1” is the year on file where that count can’t place a season he played (a redshirt, transfer or 2020 year); height and weight as last listed.
Per play
| Season | Team | Plays | EPA/play | Pctile | Median | Total | Usage |
|---|---|---|---|---|---|---|---|
| 2013 | Utah | 21 | -0.07 | – | – | -1.4 | 5% |
Expected points added: how much the player’s plays moved the team’s expected score, per play and in total. Plays: total EPA divided by EPA per play, the plays the source credits to him (for a receiver roughly his catches and runs, not every target; for a passer, not every attempt), so it can differ from attempts plus carries. Percentile: against the position’s regulars that season across all divisions on file (quarterbacks with 150+ plays, backs 60+, receivers and tight ends 30+), with how many there were (n) and their median; a dash means too few plays to rank. A season in progress uses the full-season bar scaled by games played, never below 75 plays for quarterbacks, 30 for backs and 20 for receivers. The cohort grows or shrinks with the source’s coverage each season (2025 lists far more players), so compare percentiles rather than raw EPA across years. FCS seasons are marked. Usage: the share of the team’s plays the player was part of (shown from 20 plays). From CollegeFootballData, 2013 on.
Game by game
2013 Utah 7 games, 51 rushing yards, 1 TD
| Date | Opponent | Result | Car | Rush yds | Rush TD | Rec | Rec yds | Rec TD |
|---|---|---|---|---|---|---|---|---|
| Aug 29 | vs. Utah State | W 30–26 | 12 | 45 | 1 | – | – | – |
| Sep 7 | vs. Weber State | W 70–7 | – | – | – | 1 | 1 | 0 |
| Sep 21 | at BYU | W 20–13 | – | – | – | 1 | 2 | 1 |
| Oct 12 | vs. Stanford | W 27–21 | 1 | −1 | 0 | 5 | 20 | 1 |
| Oct 19 | at Arizona | L 24–35 | 1 | 5 | 0 | 1 | 5 | 0 |
| Oct 26 | at USC | L 3–19 | 1 | 2 | 0 | – | – | – |
| Nov 30 | vs. Colorado | W 24–17 | – | – | – | 1 | 0 | 0 |
2012 Utah 4 games, 37 rushing yards
| Date | Opponent | Result | Car | Rush yds | Rush TD | Rec | Rec yds | Rec TD |
|---|---|---|---|---|---|---|---|---|
| Sep 15 | vs.BYU | W 24–21 | – | – | – | 1 | 7 | 0 |
| Sep 22 | at Arizona State | L 7–37 | – | – | – | 5 | 49 | 1 |
| Nov 3 | vs. Washington State | W 49–6 | 7 | 37 | 0 | 1 | 18 | 0 |
| Nov 17 | vs.Arizona | L 24–34 | – | – | – | 2 | 9 | 0 |
2011 Utah 1 game, 1 catch, 4 yards
| Date | Opponent | Result | Car | Rush yds | Rush TD | Rec | Rec yds | Rec TD |
|---|---|---|---|---|---|---|---|---|
| Sep 17 | atBYU | W 54–10 | – | – | – | 1 | 4 | 0 |
Box scores from CollegeFootballData, 2004 on. ✦ postseason; ★ a career high on file.
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