Single-High Center-Field Safety

Projected
Round 6-7
Scouting report · The One Analytics
Day 3Projected · Round 6-7Xavier Nwankpa projects as a single-high center-field safety. A SAF out of Iowa who tested with a starter-caliber athletic profile (56th composite). Combine line reads 6'2 4/8" · 208 lb, 4.48s 40, 37.5″ vertical. College defensive line: 171 tackles · 1 sacks · 3 INT · 4 PD across 4 seasons. Dominance score 8 (lagged the cohort when adjusted for age of production).
Dominance score · college production
Limited college production
Blends 35% age-weighted career volume, 40% peak single-season production, 15% breakout, and 10% position-specific efficiency.
Weak
Career volume
35% wtage-weighted
Bottom
Peak season
40% wt2025
Weak
Breakout
15% wtearly-career + jump year
Bottom
Efficiency
10% wtPlays/G · 0.15
Scouting Combine · 2026
Y · PERCENTILE vs SAF CLASS · 2000–2026 baseline
Athletic composite
7 of 7 metrics graded
40-Yard
4.48s·67th of 659
Vertical
37.5″·66th of 592
3-Cone
6.94s·63rd of 388
Shuttle
4.39s·20th of 398
Bench
14 reps·26th of 531
Arm
30.8″·20th of 229
Hand
8.3″·0th of 229
40-Yard
vs. 659
Vertical
vs. 592
3-Cone
vs. 388
Shuttle
vs. 398
Bench
vs. 531
Arm
vs. 229
Hand
vs. 229
Trait grades
Speed
67th percentile · 4.48s 40-yard
Burst
66th percentile · 37.5" vert · no broad
Lateral Agility
42th percentile · 6.94s 3-cone · 4.39s shuttle
Vertical Pop
66th percentile · 37.5" vertical
Frame
75th percentile · 6'2 4/8" · 208 lb
Power
26th percentile · 14 bench reps
NFL comparisons
● prospect·● historical comps
Chinedum Ndukwe
2007 R7 · #253 · Notre Dame · 6-2/206lb · 4.49s 40
93
sim
Deon Grant
2000 R2 · #57 · Tennessee · 6-2/209lb · 4.5s 40
93
sim
Patrick Surtain
All-Pro2021 R1 · #9 · Alabama · 6-2/208lb · 4.42s 40
77
sim
X-Factor
Frame grades in the 75th percentile. 6'2 4/8".
Primary risk
Power sits in the 26th percentile (14 bench reps). That's the headline weakness scouts will key on.
Scheme fit
Cover-1 + Cover-3 looks built on single-high split-field reads.
College career · ESPN
| Season | Team | TOT | SOLO | AST | PD | SACK | FF | INT | YDS | TD |
|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | IOWA | 12 | 11 | 1 | 1 | 0 | 0 | 1 | 52 | 1 |
| 2023 | IOWA | 42 | 27 | 15 | 2 | 1 | 0 | 1 | 0 | 0 |
| 2024 | IOWA | 41 | 29 | 12 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2025 | IOWA | 76 | 50 | 26 | 0 | 0 | 2 | 1 | 28 | 0 |
| Career | 171 | 117 | 54 | 4 | 1 | 2 | 3 | 80 | 1 | |
Generated by deterministic-v30 · Jun 2, 2026Workout · Combine + Pro Day