Billy Sims ranks in the all-time elite tier for running backs β a career that places Sims in the top 3% of all players at the position. The Knox value model assigns Sims a career score of 80, reflecting sustained impact that most players at the position never approach.
Season honors and record seasons
An all-time caliber running back (top 5% all-time) who combined elite production with excellent availability over their career. Iron Legends define eras β they show up, every game, for years on end.
Worth 149 points of value above a freely-available replacement running back β top 15% of all 4,642 ranked at the position. 5 of 5 seasons cleared the replacement bar, by +29.8 on average.See board β
Seasons above replacement
5 seasons Γ ~29.8 surplus β VORP 149
The full season-by-season grids, joined on one timeline. Every selected stat family stays visible at onceβno tab hopping.
| Season | Age | Team | G | GS | Rushing | Receiving | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Att | Yds | TD | Y/A | TD% | 1D | 1D% | Fmb | Tgt | Rec | Yds | TD | Ctch% | Y/R | Y/Tgt | AirYd/T | 1D | |||||
| 1980 | β | DET | 16 | β | 313 | 1,303 | 13 | 4.2 | 4.2 | β | β | β | β | 51 | 621 | 3 | β | 12.2 | β | β | β |
| 1981 | β | DET | 14 | β | 296 | 1,437 | 13 | 4.9 | 4.4 | β | β | β | β | 28 | 451 | 2 | β | 16.1 | β | β | β |
| 1982 | β | DET | 9 | β | 172 | 639 | 4 | 3.7 | 2.3 | β | β | β | β | 34 | 342 | 0 | β | 10.1 | β | β | β |
| 1983 | β | DET | 13 | β | 220 | 1,040 | 7 | 4.7 | 3.2 | β | β | β | β | 42 | 419 | 0 | β | 10.0 | β | β | β |
| 1984 | β | DET | 8 | β | 130 | 687 | 5 | 5.3 | 3.8 | β | β | β | β | 31 | 239 | 0 | β | 7.7 | β | β | β |
| Career | β | 60 | β | 1,131 | 5,106 | 42 | 4.5 | 3.7 | β | β | β | β | 186 | 2,072 | 5 | β | 11.1 | β | β | β | |
A great career by KV-H: a remarkably steady profile that scores 80 of 100, era-normalized against rush yds/g peers across 5 scored seasons.
Blend 80.4 Γ longevity 1 = KV-H 80Β· confidence 100%
Season-by-season quality (era-relative rush yds/g)
Reached 28% of the all-time Rushing Yards leader β a rotational/depth all-time profile at the position.
A 0β100 scale where 100 = matched the all-time leaderat this position. Built only from visible encyclopedia data β career production vs. the all-time leader, plus efficiency (EPA) and comparable-player confidence β so it's a transparent context score, not a subjective rating. Tiers: Elite β₯ 85 Β· Strong β₯ 65 Β· Solid β₯ 45 Β· Depth < 45. Comparable-player confidence: 93%.
Amber = 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 (Oklahoma), 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.
Career teammates and draft class, derived from year-by-year rosters β every name is linked.
Billy opened the Detroit Lions RB lineage the corpus knows, and handed it to Garry James (1986β1988).
Statistical + physical similarity across every player in the database, position-relevant (0β100%).
Last recorded season with DET
Drafted by DET β Round 1, Pick 1
StatVault's proprietary player intelligence, informed by full career data. How Knox works β
Era-normalized career quality β z-scored against 5-season peers. See all β
Career durability β games played vs. scheduled, across 5 seasons.
Rush Yds translated to the 2025NFL β 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 | β 2025 Rush Yds | β 2025 /G |
|---|---|---|---|---|
| 1980 | 1,303 | 81.4 | 1,322+19 | 77.8 |
| 1981 | 1,437 | 102.6 | 1,754+317 | 103.2 |
| 1982 | 639 | 71 | 1,382+743 | 81.3 |
| 1983 | 1,040 | 80 | 1,530+490 | 90 |
| 1984 | 687 | 85.9 | 1,773+1,086 | 104.3 |
Data: nflverse:draft_picks, nflverse:players, wikipedia:season-stats (CC-BY-SA, facts-only), nfl.com:official-stats (games-played, facts-only reference) Β· multi-source verified via the StatVault Oracle Β· updated 6/18/2026
Career Value Β· VORP
149 career value over replacement β #638 all-time of 4,642. 29.8/season above a replacement-level RB.
Pick #1 (Rd 1) Β· DET Β· 1980 Β· +18.2 vs expected KV-H
Fan Rating
Rate Billy Sims β All-Time
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Similar Players
Composite score across availability, IR frequency, and injury severity. See all β
Calibrated Hall-of-Fame probability β fit against actual enshrinement. See all β
What carries the case
Monitor score 53.8 Β· components sum to the score (All-Pro Γ12 Β· Pro Bowl Γ3 Β· League Lead Γ4 Β· ranks/era/longevity weighted).
Career Fingerprint
Statistical profile across 5 dimensions
The room is reconstructed from arrival order among durable members (β₯4 seasons with the club) at the playerβs position group β a lineage by arrival, not a week-by-week depth chart. Distinct from the league-wide positional GOAT torch.
LeSean McCoy
RB
92% match
1980 Draft ClassmatesFull class β
Gave the Detroit Lions an entire corpus-attributed career β 5 seasons (1980β1984), one crest. The rarest loyalty in the sport.