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RAS by Kent Lee Platte·Consensus Big Board (Arif Hasan)·nflverse·PFR·CFBD·All sources & credits·Methodology
Career-value model, live
Privacy·Terms·Press ⌘K to search·Draftanomics2026
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Side-by-side comparison

Backtest

3 prospects · 2022 draft

Each spoke: percentile within the prospect's own position (RB)
KI
Kenneth Walker III
RB · Michigan St.
21.5 yo · 5'9" · 211 lb
BH
Breece Hall
RB · Iowa St.
20.9 yo · 5'11" · 217 lb
IS
Isaiah Spiller
RB · Texas A&M
20.7 yo · 6'0" · 217 lb

Headline metrics

The four numbers a GM checks first.

Kenneth Walker III
Predicted pick
#29
range #1–#58
Bust probability
0%
0%0/5 comps
Consensus rank
#46
on 26 boards
Career arc
Bust
tier · 1st Round
2nd-deal AAV
$12Mmodel
Breece Hall
Predicted pick
#6
range #1–#47
Bust probability
0%
0%0/5 comps
Consensus rank
#47
on 27 boards
Career arc
Bust
tier · Blue Chip
2nd-deal AAV
$12Mmodel
Isaiah Spiller
Predicted pick
#73
range #50–#96
Bust probability
0%
0%0/5 comps
Consensus rank
#67
on 24 boards
Career arc
Bust
tier · Day 2
2nd-deal AAV
$4Mmodel

Feature radar

Each axis is the prospect's percentile among prospects at his position (0–100). Bigger shape = stronger across the board.

ProductionAthleticismAgeConsensusPer-play impact (PPA)Breakout ageWorkloadRAS × production
Prospects
  • Kenneth Walker III· RB / WR / TE
  • Breece Hall· RB / WR / TE
  • Isaiah Spiller· RB / WR / TE
Axis leaders
  • ProductionKenneth Walker III0
  • AthleticismBreece Hall77
  • AgeIsaiah Spiller77
  • ConsensusBreece Hall55
  • Per-play impact (PPA)Kenneth Walker III50
  • Breakout ageKenneth Walker III50
  • WorkloadKenneth Walker III100
  • RAS × productionBreece Hall63

Comp overlap

Top five historical comps per prospect. Shared comps highlighted.

Shared comps
  • Christian McCaffreyRB · Bust→ shared byKenneth Walker IIIBreece Hall
  • Miles SandersRB · Starter→ shared byKenneth Walker IIIBreece Hall
Kenneth Walker III
  • Marlon Mack
    RB · #143
    Bust
  • Christian McCaffreyshared
    RB · #8
    Bust
  • Miles Sandersshared
    RB · #53
    Starter
  • Cam Akers
    RB · #52
    Contributor
  • Kerryon Johnson
    RB · #43
    Contributor
Breece Hall
  • Saquon Barkley
    RB · #2
    Franchise
  • Justice Hill
    RB · #113
    Contributor
  • Christian McCaffreyshared
    RB · #8
    Bust
  • Jeremy McNichols
    RB · #162
    Bust
  • Miles Sandersshared
    RB · #53
    Starter
Isaiah Spiller
  • David Montgomery
    RB · #73
    Starter
  • D'Andre Swift
    RB · #35
    Starter
  • Derrius Guice
    RB · #59
    Bust
  • D'Onta Foreman
    RB · #89
    Bust
  • Wayne Gallman
    RB · #140
    Bust

Risk and opportunity flags

Top three concerns and top two upside signals from the model.

Kenneth Walker III
Risks
  • Comp group bust rate
    2 of 3 closest comps with NFL outcomes washed out: Marlon Mack, Christian McCaffrey. The neighborhood in feature space is dangerous.
  • Negative per-play impact
    PPA avg_all 0.236 — per-snap contribution is below-average for the position. Volume stats overstate the impact.
Opportunities
  • Breakout production arc
    Career trajectory in rushing yards: 579 → 579 → 1636. Production rose every season — the kind of upward arc that often continues into the league.
Breece Hall
Risks
  • Consensus skeptic
    29 boards place him at mean rank #48; model has him #6 — a 42-spot gap. When boards fade a player this hard, the model is usually the one missing something.
  • Comp group has bust risk
    2 of 4 closest comps with NFL outcomes ended up backups or busts: Christian McCaffrey, Jeremy McNichols. Mixed signal from history.
  • Negative per-play impact
    PPA avg_all 0.253 — per-snap contribution is below-average for the position. Volume stats overstate the impact.
Opportunities
  • Above-average athletic profile
    RAS 8.37 (83th percentile at RB). Athletic tools that translate cleanly to the NFL.
Isaiah Spiller
Risks
  • Average-to-below athletic profile
    RAS 4.28 (42th percentile at RB). Athleticism is average at best for the position.
  • Comp group bust rate
    3 of 5 closest comps with NFL outcomes washed out: Derrius Guice, D'Onta Foreman, Wayne Gallman. The neighborhood in feature space is dangerous.
  • Negative per-play impact
    PPA avg_all 0.158 — per-snap contribution is below-average for the position. Volume stats overstate the impact.
Opportunities
No standout upside flags.

Career trajectory forecast

Projected share of his team's snaps across the first four NFL seasons. Solid = seasons already played, dashed = the forecast.

0%25%50%75%100%Y1Y2Y3Y4Snap share
Kenneth Walker IIIBreece HallIsaiah Spiller· solid = actuals, dashed = forecast

Verdict

The model's plain-English read.

Kenneth Walker III

Draftanomics projects Kenneth Walker III (age 21.5 at draft) as a first-round pick at #29 (range #1-#58, very wide band — too little on him yet to project tightly). Bust probability sits at 0% — low. The comp set is dangerous: 2 of 3 closest comps with known NFL outcomes washed out as backups or busts. Closest comps: Marlon Mack (Bust), Christian McCaffrey (Bust), Miles Sanders (Starter). Ceiling is Miles Sanders (Starter); floor is Cam Akers (Contributor). Career trajectory in rushing yards: 579 → 579 → 1636. Production rose every season — the kind of upward arc that often continues into the league. 2 of 3 closest comps with NFL outcomes washed out: Marlon Mack, Christian McCaffrey. The neighborhood in feature space is dangerous. The call is a value lean: #29 against a consensus #48 is a 19-spot edge — enough to move him up the queue, not enough to reach a round early, with comp group bust rate the tax on that edge.

Breece Hall

Draftanomics projects Breece Hall (age 20.9 at draft) as a top-10 pick at #6 (range #1-#47, wide band). Bust probability sits at 0% — low. The comp set is mixed: 2 starters-or-better vs 2 backups-or-busts among the 4 comps with known outcomes. Closest comps: Saquon Barkley (Franchise), Justice Hill (Contributor), Christian McCaffrey (Bust). Ceiling is Saquon Barkley (Franchise); floor is Justice Hill (Contributor). RAS 8.37 (83th percentile at RB). Athletic tools that translate cleanly to the NFL. 2 of 4 closest comps with NFL outcomes ended up backups or busts: Christian McCaffrey, Jeremy McNichols. Mixed signal from history. The call is a conviction buy: the model has him 42 spots ahead of the room (board #6 vs consensus #48), and at a 0% bust probability the edge is worth paying for.

Isaiah Spiller

Draftanomics projects Isaiah Spiller (age 20.7 at draft) as a third-round / early Day 3 pick at #73 (range #50-#96, wide band). Bust probability sits at 0% — low. The comp set is dangerous: 3 of 5 closest comps with known NFL outcomes washed out as backups or busts. Closest comps: David Montgomery (Starter), D'Andre Swift (Starter), Derrius Guice (Bust). Ceiling is D'Andre Swift (Starter); floor is David Montgomery (Starter). 3 of 5 closest comps with NFL outcomes washed out: Derrius Guice, D'Onta Foreman, Wayne Gallman. The neighborhood in feature space is dangerous. The call is a hold at slot: the model's #73 sits within 6 spots of the room's #67 — no market edge to chase, so take him where he sits, and let the 0% bust probability break ties on draft day.