Alfonso Smith
A running back who contributed in a defined role. Their developmental reflects a career built on specific contributions rather than volume.
Combined Season Grid
The full season-by-season grids, joined on one timeline. Every selected stat family stays visible at once—no tab hopping.
4 grids split in one view
| Season | Age | Team | G | GS | Rushing | Receiving | Passing | Defense | |||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Att | Yds | TD | Y/A | TD% | 1D | 1D% | Fmb | Tgt | Rec | Yds | TD | Ctch% | Y/R | Y/Tgt | AirYd/T | 1D | Cmp | Att | Cmp% | Yds | TD | Int | TD% | Int% | Y/A | AdjY/A | TD:INT | Rate | Sk | Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | |||||
| 2011 | — | ARI | 7 | — | 30 | 102 | 1 | 3.4 | 3.3 | 7 | 23.3 | 0 | 5 | 3 | 21 | 0 | 60.0% | 7.0 | 4.2 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2012 | — | ARI | 2 | — | — | — | — | — | — | — | — | — | 3 | 2 | 21 | 0 | 66.7% | 10.5 | 7.0 | — | 0 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2013 | — | ARI | 8 | — | 18 | 54 | 1 | 3.0 | 5.6 | 5 | 27.8 | 1 | 13 | 10 | 68 | 0 | 76.9% | 6.8 | 5.2 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2013 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0 | 0 | — | 0 | 0 | 0 | — | — | — | — | — | — | 0 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2013 | — | SEA | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2014 | — | SF | 3 | — | 7 | 19 | 0 | 2.7 | 0.0 | 1 | 14.3 | 0 | 4 | 3 | 11 | 0 | 75.0% | 3.7 | 2.8 | — | 0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2014 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0 | 0 | — | 0 | 0 | 0 | — | — | — | — | — | — | 0 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2014 | — | LAC | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| Career | — | 23 | — | 55 | 175 | 2 | 3.2 | 3.6 | 13 | 23.6 | 1 | 25 | 18 | 121 | 0 | 72.0% | 6.7 | 4.8 | — | 3 | 0 | 0 | — | 0 | 0 | 0 | — | — | — | — | — | — | 0 | 5 | 5 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 | |
Career EPA-12.0·-9 rushing · -3 receiving·-3.0/season
Rushing
| Season | Age | Team | G | GS | Att | Yds | TD | Y/A | TD% | 1D | 1D% | Fmb | VAL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011 | 24 | ARI | 7 | — | 30 | 102 | 1 | 3.4 | 3.3 | 7 | 23.3 | 0 | 3.5 |
| 2013 | 26 | ARI | 8 | 0* | 18 | 54 | 1 | 3.0 | 5.6 | 5 | 27.8 | 1 | 3.7 |
| 2014 | 27 | SF | 3 | 0* | 7 | 19 | 0 | 2.7 | 0.0 | 1 | 14.3 | 0 | — |
| Career | 18 | 55 | 175 | 2 | 3.2 | — | 13 | — | 1 | 7.2 |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
Receiving
| Season | Age | Team | G | GS | Tgt | Rec | Yds | TD | Ctch% | Y/R | Y/Tgt | AirYd/T | 1D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011 | 24 | ARI | 7 | — | 5 | 3 | 21 | 0 | 60.0% | 7.0 | 4.2 | — | 2 |
| 2012 | 25 | ARI | 2 | — | 3 | 2 | 21 | 0 | 66.7% | 10.5 | 7.0 | — | 0 |
| 2013 | 26 | ARI | 8 | 0* | 13 | 10 | 68 | 0 | 76.9% | 6.8 | 5.2 | — | 1 |
| 2014 | 27 | SF | 3 | 0* | 4 | 3 | 11 | 0 | 75.0% | 3.7 | 2.8 | — | 0 |
| Career | 20 | 25 | 18 | 121 | 0 | 72.0% | 6.7 | 4.8 | — | 3 |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
Defense
| Season | Age | Team | G | GS | Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | 25 | ARI | 3 | — | 1 | 1 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2013 | 26 | SEA | 2 | 0* | 3 | 3 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2014 | 27 | LAC | 1 | 0* | 1 | 1 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| Career | 6 | 5 | 5 | 0 | 0 | 0 | — | — | 0 | 0 | 0 | — | 0 | 0 |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
Snap Counts
| Season | Age | Team | G | GS | Off | Off% | Def | Def% | ST | ST% |
|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 26 | ARI | 16 | 0* | 131 | 13.6% | — | 0.0% | 229 | 48.4% |
| 2014 | 27 | SF | 6 | 0* | 34 | 17.7% | — | 0.0% | 75 | 49.3% |
| Career | 22 | 165 | — | — | — | 304 | — |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
Advanced (EPA)
| Season | Age | Team | G | GS | Pass EPA | Rush EPA | Rec EPA | Pass AirYd | Rec AirYd |
|---|---|---|---|---|---|---|---|---|---|
| 2011 | 24 | — | — | — | — | -0.4 | -0.3 | 0 | 1 |
| 2012 | 25 | — | — | — | — | — | 0.6 | 0 | 8 |
| 2013 | 26 | — | — | 0* | — | -5.9 | -0.6 | 0 | -5 |
| 2014 | 27 | — | — | 0* | — | -2.9 | -2.5 | 0 | -13 |
| Career | — | — | — | 0 | -9 |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
Passing
| Season | Age | Team | G | GS | Cmp | Att | Cmp% | Yds | TD | Int | TD% | Int% | Y/A | AdjY/A | TD:INT | Rate | Sk |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 26 | — | — | 0* | 0 | 0 | — | 0 | 0 | 0 | — | — | — | — | — | — | 0 |
| 2014 | 27 | — | — | 0* | 0 | 0 | — | 0 | 0 | 0 | — | — | — | — | — | — | 0 |
| Career | 0 | 0 | — | 0 | 0 | 0 | — | — | — | — | — | — | 0 |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
KV-H Anatomy
KV-H 32 · Depth / RotationalA depth / rotational career by KV-H: a remarkably steady profile that scores 32 of 100, era-normalized against rush yds/g peers across 2 scored seasons, with a short career trimming the score.
40
Sustained
career value
×.6
40
Peak
best 3 seasons
×.4
×0.79
Longevity
career length
Blend 40 × longevity 0.79 = KV-H 32· confidence 94%
What builds the career mark of 40
On-field 31.1
Availability 8.9
On-field production Staying available
Season-by-season quality (era-relative rush yds/g)
2011bestavg 402013
All-Time Standing
how this career measures against the all-time greats at the position6
Depth
of 100
Reached 1% of the all-time Rushing Touchdowns leader — a rotational/depth all-time profile at the position.
1% of the all-time Rushing Touchdowns leader1
0 categories ≥25% of the all-time leader0
-2.99 EPA/season over 4 seasons49
A 0–100 scale where 100 = matched the all-time leaderat this position. Built only from visible encyclopedia data — career production vs. the all-time leader, plus efficiency (EPA) and comparable-player confidence — so it's a transparent context score, not a subjective rating. Tiers: Elite ≥ 85 · Strong ≥ 65 · Solid ≥ 45 · Depth < 45. Comparable-player confidence: 90%.
Per-Snap Impact
Running Backs · proprietary · 2012+—
below snap floor
Yards/snap0.921Touch rate0.255EPA/snap-0.072Snap share15.7%Off snaps165Emerging
Production per snap — the box score normalized by opportunity. SIS is z-scored within running backs, shrinkage-regularized so small samples don't spike, over the NFL snap-count era (2012+).
Career Aging Trajectory
vs. position group average · KV-H basisAmber = this player (normalized to own peak). Indigo = average RBs aging curve. Group peak age: 21. Source: StatVault KV-H era (1999+).
College stats are not imported for this profile yet.
StatVault has the verified college attribution (Kentucky), but no parsed college box-score table is present in this profile artifact. The section stays here so every profile has a consistent college-stats landing point without fabricating unavailable rows.
Reference Graph
Career teammates and draft class, derived from year-by-year rosters — every name is linked.
Top Teammates
Larry FitzgeraldWR4yCalais CampbellDE3yPatrick PetersonCB3yAndre RobertsWR3yJay FeelyK3yDarnell DockettDE3yDave ZastudilP3yRashad JohnsonFS3ySam AchoLB3yO'Brien SchofieldDE3yRob HouslerTE3yReggie WalkerOLB3yDaryl WashingtonILB3yJim DrayTE3yRonald TalleyDE3yVonnie HollidayDE2yAdrian WilsonS2yParis LenonMLB2yRichard MarshallCB2yTodd HeapTE2yKerry RhodesFS2yMichael FloydWR2yJustin BethelCB2yAnthony ShermanFB2y
Similar Players
Statistical + physical similarity across every player in the database, position-relevant (0–100%).
Movementderived from season history
- 2014team change
Joined SF (from ARI)
- 2014final season
Last recorded season with SF
- 2011signing
Entered the NFL with ARI
Athletic & Unique Profile
verified measurements and curated source-tagged facts6'1" / 209 lb
Frame
Injury History
No game-status injuries on record since 2009 (nflverse weekly reports).
Knox
StatVault's proprietary player intelligence, informed by full career data. How Knox works →
Historical Knox · KV-H
Era-normalized career quality — z-scored against 2-season peers. See all →
32
peak 40
Season Report Cards· KV-H era-normalized per season
D2011
C2013
Availability
Career durability — games played vs. scheduled, across 4 seasons.
69%
20112014
2011 · backup · 7/16 G
Era Translator
Rush Yds translated to the 2025NFL — each season's standing among its own-era peers, projected onto 2025's scoring environment. Modern-era (1999+) coverage.
| Season | Actual Rush Yds | Rush Yds/G | → 2025 Rush Yds | → 2025 /G |
|---|---|---|---|---|
| 2011 | 102 | 14.6 | 317+215 | 18.7 |
| 2013 | 54 | 6.8 | 149+95 | 8.8 |
Data: nflverse:players, nflverse:player_stats, nflverse:player_stats_def, nflverse:snap_counts, nflverse:advanced-epa (CC-BY 4.0), nflverse:injuries, wikipedia:season-stats (CC-BY-SA, facts-only), espn.com:stats-api (facts-only reference) · multi-source verified via the StatVault Oracle · updated 6/18/2026
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