Usage Score
5.3
Player Dossier
2018-2021Iowa State
DE • 6'5" • 275 lbs • Long Grove, IA, USA
Zach Petersen shows a ball-hunting defender profile with 20.3 disruption score.
Usage Score
5.3
Efficiency
20.3
Consistency
50.2
Season Value
22.8
Career Arc
Value trend by season
Best season by value score: 2018 Postseason · Iowa State
Snapshot
Scouting Read
Best season and peak-game context are pinned here so the rest of the page can stay analytical without losing the headline story.
Zach Petersen, DE. Best season Best season by value score: 2018 Postseason · Iowa State. Zach Petersen shows a ball-hunting defender profile with 20.3 disruption score.
Lead takeaway
Best season by value score: 2018 Postseason
Iowa State paired 0 primary output with 5.6 efficiency.
Supporting note
2021 Postseason role shape
impact-led usage with 20.3 efficiency.
Supporting note
Career value stayed steady
2021 Regular Season tracked close to the prior stop by season value score.
Supporting note
Peak game by takeover score: Iowa
Loss with 2.5 impact plays across the defensive snap sheet. It landed in the 100th percentile of the selected season.
Analysis workspace
Filter the strongest season sample, inspect game-level shape, and then drop into the full log without losing the story of the year.
Understand the selected season before dropping into the full game log.
Games
12
Havoc Plays / G
0.5
Efficiency
20.3
Usage
5.3
Consistency
50.2
Best Game by takeover score
Clemson
Chronological game order.
Game by game trend chart. Clemson: 1. Iowa: 2.5. UNLV: 0. Baylor: 0.5. Kansas: 0.5. Kansas State: 0. Oklahoma State: 0. West Virginia: 1. Texas: 0. Texas Tech: 0.5. Oklahoma: 0.5. TCU: 0
Low volume / high quality
High volume / high quality
Low volume / lower quality
High volume / lower quality
Volume on the x-axis, quality on the y-axis.
Volume versus efficiency scatter chart. Clemson: 7 by 39.2. Iowa: 7 by 54.2. UNLV: 2 by 8.3. Baylor: 6 by 30. Kansas: 6 by 30. Kansas State: 2 by 8.3. Oklahoma State: 2 by 8.3. West Virginia: 2 by 18.3. Texas: 3 by 12.5. Texas Tech: 3 by 17.5. Oklahoma: 1 by 9.2. TCU: 2 by 8.3
Dense stat lines with inline explanations and season-linked highlights.
12 games
Featured metric
Havoc Plays
Top game by takeover score
Iowa
Best efficiency game
54.2 vs Iowa
| Result | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Wed 12/29 | vs Clemson | L 13-20 | 7 | 1 | — | 1 | 0 | — | 0 | — | — |
| Fri 11/26 | vs TCU | W 48-14 | 2 | 2 | — | 0 | 0 | — | 0 | — | — |
| Sat 11/20 | @ Oklahoma | L 21-28 | 1 | 0 | — | 0.50 | 0 | — | 0 | — | — |
| Sat 11/13 | @ Texas Tech | L 38-41 | 3 | 1 | — | 0.50 | 0 | — | 0 | — | — |
| Sat 11/6 | vs Texas | W 30-7 | 3 | 3 | — | 0 | 0 | — | 0 | — | — |
| Sat 10/30 | @ West Virginia | L 31-38 | 2 | 0 | — | 0 | 0 | — | 1 | — | — |
| Sat 10/23 | vs Oklahoma State | W 24-21 | 2 | 0 | — | 0 | 0 | — | 0 | — | — |
| Sat 10/16 | @ Kansas State | W 33-20 | 2 | 2 | — | 0 | 0 | — | 0 | — | — |
| Sat 10/2 | vs Kansas | W 59-7 | 6 | 5 | — | 0.50 | 0 | — | 0 | — | — |
| Sat 9/25 | @ Baylor | L 29-31 | 6 | 3 | — | 0.50 | 0 | — | 0 | — | — |
| Sun 9/19 | @ UNLV | W 48-3 | 2 | 0 | — | 0 | 0 | — | 0 | — | — |
| Sat 9/11 | vs IowaSplash game | L 17-27 | 7 | 1 | — | 2 | 0.50 | — | 0 | — | — |
Track team changes, role shifts, and season-to-season movement.
Iowa State
2018-2021
Opening stop
Season Progression
| Season | Team | Primary | Efficiency | Usage | Delta |
|---|---|---|---|---|---|
| 2018 Postseason | Iowa State | 0 | 5.6 | 1 | — |
| 2018 Regular Season | Iowa State | 0 | 5.6 | 1 | 0 |
| 2019 Regular Season | Iowa State | 8.5 | 21.3 | 5.4 | 8.5 |
| 2020 Postseason | Iowa State | 3 | 10.9 | 3.5 | -5.5 |
| 2020 Regular Season | Iowa State | 3 | 10.9 | 3.5 | 0 |
| 2021 Postseason | Iowa State | 6.5 | 20.3 | 5.3 | 3.5 |
| 2021 Regular Season | Iowa State | 6.5 | 20.3 | 5.3 | 0 |
#1 Featured game
Iowa
Loss with 2.5 impact plays across the defensive snap sheet.
2.5
Primary metric
2.5 disruption/tackle impact with 56.2 takeover score.
#2
West Virginia
3
Primary metric
Win with 3 impact plays across the defensive snap sheet.
3 disruption/tackle impact with 55.8 takeover score.
#3
Texas Tech
2
Primary metric
Win with 2 impact plays across the defensive snap sheet.
2 disruption/tackle impact with 48.8 takeover score.
#4
Oklahoma
2
Primary metric
Loss with 2 impact plays across the defensive snap sheet.
2 disruption/tackle impact with 36.8 takeover score.
#5
TCU
1.5
Primary metric
Win with 1.5 impact plays across the defensive snap sheet.
1.5 disruption/tackle impact with 32.1 takeover score.
#1 Season by value score
2018 Postseason · Iowa State
0 primary output · 5.6 efficiency · 1 usage
35.5
#2
2018 Regular Season · Iowa State
35.5
0 primary · 5.6 efficiency · 1 usage
#3
2021 Postseason · Iowa State
22.8
6.5 primary · 20.3 efficiency · 5.3 usage
0
Impact games
2
Splash games
0
10+ tackle games
Recruit Profile
Class 2018 · Rating 0.8444
North Scott · Eldridge, IA
Career Facts
1
Career teams
7
Seasons tracked
107
Career Tackles
Data Context
Coverage spans 7 tracked seasons, 37 games, and base opponent context only. Derived metrics fall back to raw production when share or rating context is missing.
Zach Petersen quick answers
Recruiting profile
3-star recruit