Fullback, USC, 2010–⁠15

Soma Vainuku

Number
No. 31
Height
6′0″
Hometown
Eureka, CA

Soma Vainuku played fullback at USC (2010–⁠15).

Honors

Rushing

Rushing yards, season by season, with his team’s record
SeasonTeamCarYdsAvgTDLong
2012USC7263.7011
2013USC8789.8152
2014USC7405.7113
2015USC242.013
Career241486.2352

Receiving

SeasonTeamRecYdsAvgTDLong
2012USC8506.3016
2013USC9748.2115
Career171247.3116

Season lines from CollegeFootballData, regular season and bowls.

Defense before 2016

SeasonGSoloAstTkl
201210516
2013N149413
On file14519

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

SeasonTeamNo.PosHt
2010USC31FB
2011USC31FB
2012USC31FB
2013USC31FB
2014USC31FB
2015USC31FB6′0″

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

SeasonTeamPlaysEPA/playPctileMedianTotalUsage
2013USC160.18––2.8–
2014USC80.11––0.9–
2015USC21.30––2.6–

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

2015 USC 3 games, 4 rushing yards, 1 TD
DateOpponentResultCarRush ydsRush TDRecRec ydsRec TD
Sep 5vs.Arkansas StateW 55–⁠6130–––
Oct 24vs.UtahW 42–⁠24111–––
Nov 21atOregonL 28–⁠48––––––
2014 USC 5 games, 40 rushing yards, 1 TD
DateOpponentResultCarRush ydsRush TDRecRec ydsRec TD
Aug 30vs.Fresno StateW 52–⁠132241–––
Sep 6atStanfordW 13–⁠10250–––
Sep 13atBoston CollegeL 31–⁠371110–––
Sep 27vs.Oregon StateW 35–⁠10100–––
Nov 22atUCLAL 20–⁠38100–––
2013 USC 7 games, 78 rushing yards, 1 TD
DateOpponentResultCarRush ydsRush TDRecRec ydsRec TD
Sep 14vs.Boston CollegeW 35–⁠7–––1140
Sep 28atArizona StateL 41–⁠62–––120
Oct 19atNotre DameL 10–⁠14–––2160
Nov 9atCaliforniaW 62–⁠28–––1150
Nov 16vs.StanfordW 20–⁠17–––2161
Nov 23atColoradoW 47–⁠2957012110
Dec 21 ✦vs.Fresno StateW 45–⁠20380–––
2012 USC 9 games, 26 rushing yards
DateOpponentResultCarRush ydsRush TDRecRec ydsRec TD
Sep 1vs.Hawai’iW 49–⁠10–––2230
Sep 8vs.SyracuseW 42–⁠29100160
Sep 15atStanfordL 14–⁠21260–––
Sep 22vs.CaliforniaW 27–⁠92100–––
Oct 4atUtahW 38–⁠28–––230
Oct 13atWashingtonW 24–⁠14–––150
Oct 27atArizonaL 36–⁠39–––130
Nov 3vs.OregonL 51–⁠622100–––
Nov 24vs.Notre DameL 13–⁠22–––1100

Box scores from CollegeFootballData, 2004 on. ✦ postseason; ★ a career high on file.

Before the draft

Played in the 2016 Senior Bowl (North team, lost 16–⁠27).

DrillCombine 2016Combine or pro day 2016
Height5′11½″
Weight246 lb
Arm length32″
Hand size9½″
40-yard dash4.68 s
10-yard split1.63 s
Vertical jump32″
Broad jump9′0″
Bench press26 reps
3-cone drill7.20 s
20-yard shuttle4.46 s

Combine or pro day: the source doesn’t say which. Combine and pro day results compiled by array-carpenter (nfl-draft-data). Rosters and honors: Wikipedia (CC BY-SA).

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