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Data + sources
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
  1. Draftanomics/
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Side-by-side comparison

Backtest

3 prospects · 2017 draft

Each spoke: percentile within the prospect's own position (CB)
SG
Shaquill Griffin
CB · Central Florida
21.8 yo · 6'0" · 194 lb
CE
Corn Elder
CB · Miami (FL)
22.5 yo · 5'10" · 183 lb
AW
Ahkello Witherspoon
CB · Colorado
22.1 yo · 6'3" · 198 lb

Headline metrics

The four numbers a GM checks first.

Shaquill Griffin
Predicted pick
#98
range #42–#219
Bust probability· rough estimate
8%
Consensus rank
#127
on 2 boards
Career arc
arrives after the combineThe forecast needs his measurables first.
2nd-deal AAV
$19Mmodel
Corn Elder
Predicted pick
#81
range #25–#202
Bust probability· rough estimate
47%
Consensus rank
#120
on 3 boards
Career arc
arrives after the combineThe forecast needs his measurables first.
2nd-deal AAV
$3Mmodel
Ahkello Witherspoon
Predicted pick
#129
range #84–#174
Bust probability· rough estimate
3%
0%comp-based · 0/5
Consensus rank
#129
on 19 boards
Career arc
Franchise
tier · Day 3
2nd-deal AAV
$9Mmodel

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
  • Shaquill Griffin· CB / S
  • Corn Elder· CB / S
  • Ahkello Witherspoon· CB / S
Axis leaders
  • ProductionCorn Elder100
  • AthleticismAhkello Witherspoon98
  • AgeShaquill Griffin96
  • ConsensusShaquill Griffin20
  • Per-play impact (PPA)Shaquill Griffin50
  • Breakout ageShaquill Griffin50
  • WorkloadShaquill Griffin100
  • RAS × productionShaquill Griffin53

Comp overlap

Top five historical comps per prospect. Shared comps highlighted.

No shared comps in the top five. Each prospect has a distinct historical profile.
Shaquill Griffin
  • comps arrive after the combineBefore the combine there isn't enough measured data to match him confidently against past players. Comparisons draw on recent NFL careers (2021–2024) and fill in once combine numbers and game-by-game stats land.
Corn Elder
  • comps arrive after the combineBefore the combine there isn't enough measured data to match him confidently against past players. Comparisons draw on recent NFL careers (2021–2024) and fill in once combine numbers and game-by-game stats land.
Ahkello Witherspoon
  • Eric Rowe
    CB · #47
    Franchise
  • Bobby McCain
    CB · #145
    Starter
  • Tye Smith
    CB · #170
    Bust
  • Charles Gaines
    CB · #189
    Bust
  • Marcus Peters
    CB · #18
    Franchise

Risk and opportunity flags

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

Shaquill Griffin
Risks
No major risks flagged.
Opportunities
No standout upside flags.
Corn Elder
Risks
No major risks flagged.
Opportunities
No standout upside flags.
Ahkello Witherspoon
Risks
  • Comp group has bust risk
    2 of 5 closest comps with NFL outcomes ended up backups or busts: Tye Smith, Charles Gaines. Mixed signal from history.
Opportunities
  • Consensus says higher
    20 boards have him at mean rank #87; model has him #129 — a 42-spot fade. Analysts converging this much above the model is a tell that the model is undervaluing him.
  • Promising comp group
    3 of 5 closest comps with NFL outcomes hit Starter-or-better: Eric Rowe, Bobby McCain, Marcus Peters.

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
Shaquill GriffinCorn ElderAhkello Witherspoon· solid = actuals, dashed = forecast

Verdict

The model's plain-English read.

Shaquill Griffin

−0.04 charting catch rate allowed avg; +0.03 age; +0.03 charting run def grade career avg

Corn Elder

+0.03 charting def grade mean; −0.03 boards with him top-100; −0.02 HS recruit rating

Ahkello Witherspoon

Draftanomics projects Ahkello Witherspoon (age 22.1 at draft) as a mid-round flyer at #129 (range #84-#174, very wide band — too little on him yet to project tightly). Bust probability sits at 3% — low. The comp set is strong: 3 of 5 closest comps with known NFL outcomes became starters or better. Closest comps: Eric Rowe (Franchise), Bobby McCain (Starter), Tye Smith (Bust). Ceiling is Marcus Peters (Franchise); floor is Bobby McCain (Starter). 2 of 5 closest comps with NFL outcomes ended up backups or busts: Tye Smith, Charles Gaines. Mixed signal from history. The call is a genuine fade: the room's consensus prices him around #87 and the model won't take him before #129 — a 42-spot markdown. The discount is earned — comp group has bust risk leads the case against.