#31

Dillon Thieneman

Former defensive back at Oregon. 2025: 2 interceptions, 5 pass breakups, 92 tackles.

DB · Oregon · Jr. · #31

6′0″ · 205 lb · Westfield, IN

CFB Index 79 · #49 of 544 safetiesLow confidenceNational watchDrafted by Chicago — Rd 1, Pick 25, #25 overall

On production he ranks #49 of 544 safeties; on reputation he is on a national watch list. The gap between those two numbers is the story.

How he plays

Plays like an extra linebacker near the line.

Tackles: 97th percentile.

The full scouting read

The numbers

interceptions · 2025

5 PBU · 92 tackles · 3.5 TFL

Best game: 1 INT, 7 tackles, at Washington

His career numbers, season by season

The story

Former defensive back at Oregon. 2025: 2 interceptions, 5 pass breakups, 92 tackles.

Signed as a 3-star recruit to Purdue in 2023.
Transferred from Purdue to Oregon in 2025.
Drafted round 1 by the Chicago in 2026.

The full story, with sources

How it ended

Three seasons at Oregon, 302 tackles, a first-team All-Conference season (2025) — drafted at #25 overall by Chicago.

His career

He was winning awards before he was old enough to be a story.

202312 games

Signed with Purdue3-star out of Westfield
All-Big Tensecond
Big Ten Thompson–Randle El Freshman of the Yearwinner

202412 games

All-Big Ten

202515 games

Entered the portal
All-Big Tenfirst
All-America2 selectors

2026

Drafted by Chicagoround 1, pick 25

Career arc

Recruit

★★★

#990 national

CFB

College

2 teams

2023–2025

NFL

NFL Draft

R1 · #25

Chicago · 2026

Trophy case · Confirmed honors

What the selectors said

10 honors · 3 categories

🥇

ALL-AMERICA

Named All-American (2025)

2 selectors honored him

🥈

ALL-BIG TEN · 1ST TEAM

All-Big Ten 1st team (2025)

🎓

FRESHMAN HONORS

Freshman recognition (2023)

5 mention(s)

Coaching lineage · 2023–2025

1 coach

2023–2025

Dan Lanning

Oregon

Played his entire career under Dan Lanning.

Where He Ended Up · NFL

Chicago2026 NFL rookie season

#25Rd 1 · Pick 25

Chicago2026 NFL rookie season

View college career stats ↓

2025 snapshot

Season context · Team result + system

2023Purdue4-8HC: Ryan Walters · Run-leaning

2024Purdue1-11HC: Ryan Walters · Balanced, slow tempo

2025Oregon13-2HC: Dan Lanning · Run-leaning

Where this defender ranks vs the field

Box-score production percentiles vs the position cohort

79All-Conference level #49 of 544?

Medium confidence7 metrics · season cumulative

Elite: tackles (97th percentile). Strength: solo tackles (95th percentile).

Box-score production (7)

Tackles#77 / 2975 · 97th pct

Solo tackles#137 / 2975 · 95th pct

Passes defended#218 / 2975 · 91st pct

Interceptions#114 / 817 · 75th pct

Tackles for loss#866 / 2975 · 69th pct

3.5

Sacks#847 / 2975 · 63rd pct

1.0

QB hurries#1007 / 2975 · 55th pct

Percentiles are versus same-position peers with enough snaps this season, based on box-score production. There are no play-by-play efficiency bars here: CFBD's play-value model credits offensive players only, so no defensive EPA exists to rank.

Splits & context

Splits · Per-game

2025 season · 15 games

Home/Road · Season halves

Home vs Road

	TKL/g	TFL/g	SACK/g	PD/g
Home8g	5.6	0.2	0.0	0.6
Road7g	6.7	0.3	0.1	0.0

First half vs Second half

	TKL/g	TFL/g	SACK/g	PD/g
Weeks 1-79g	6.2	0.2	0.0	0.2
Weeks 8+6g	6.0	0.2	0.2	0.5

Supporting cast · Scheme

Staff and system around the player

2026 season

Head Coach

Dan Lanning

Scheme reads (pass share, tempo, sack rate) need at least 3 team games — 2 games in so far.

Awards

Player standing · 2025

National watch / fringe AA

In the All-America conversation, short of a selector's first team.

Recognition

Roster2-deepStarterRecognizedEliteApex

Production · CFB Index Score

79 · #49 of 544 safeties

Three-star recruit. Now #49 at the position.

Selector Grid · 2025

AP—

FWAA—

AFCA—

WCFF—

SN—

SI—

Career stats

Season	Team
2025	Oregon	92	44	3.5	1.0	5	2	--
2024	Purdue	104	70	4.5	1.0	6	--	2
2023	Purdue	106	74	2.0	0.0	2	6	--
Career		302	188	10.0	2.0	13	8	2

Signature game

SIGNATURE GAME · Week 18 · 2025

W 23–0

at Texas Tech

12 TOT · 6 SOLO · 1 TFL

Dominant 23-point win on the road against Texas Tech.

With D. Moore — 234 yds · 0 TD · 1 INT · QBR 62.3 · -12 rush yds (10 car) · J. Ferguson-Reynolds — 11 yds · 0 TD · 0 INT · QBR 100.0

Game log

Game log · Week-by-week