#18

T.D. Roof

Senior linebacker for Oklahoma. 2021: 67 tackles, 8.5 tackles for loss, 3 sacks.

LB · Oklahoma · Sr. · #18

5′10″ · 221 lb · Buford, GA

CFB Index 84 · #39 of 578 LBsHigh confidenceApp State 2021 alumnus

Recruiting

3★

ILB recruit

No. 1225 nationally · Signed with Georgia Tech

No college snaps yet.

His career numbers, season by season

The story

4 linebacker for Oklahoma. 2021: 67 tackles, 8.5 tackles for loss, 3 sacks.

Signed as a 3-star recruit to Georgia Tech in 2017.
Transferred from App State to Oklahoma in 2022.

His career, year by year

How it ended

Four seasons at App State, 142 tackles — his college career is complete.

His career

He was on the field for 4 seasons. That is rarer than it sounds.

20178 games

Signed with Georgia Tech3-star out of Buford

2022

Entered the portal

Career arc

Recruit

★★★

#1225 national

CFB

College

3 teams

2017–2021

NFL

NFL Draft

—

Not drafted

Coaching lineage · 2017–2021

2 coaches

2017–2018

Lincoln Riley

Oklahoma

2020

Lincoln Riley

Oklahoma

2021

Bob Stoops

Oklahoma

era →

Coaching transition mid-career: Lincoln Riley → Bob Stoops. Worth noting in scheme + development context.

2021 snapshot

Season context · Team result + system

2017Georgia Tech5-6HC: Paul Johnson · Run-heavy

2018Indiana5-7HC: Tom Allen · Balanced, fast tempo

2020App State9-3HC: Shawn Clark · Run-heavy, fast tempo

2021App State10-4HC: Shawn Clark · Run-heavy, slow tempo

Where this defender ranks vs the field

Box-score production percentiles vs the position cohort

84All-Conference level #39 of 578?

High confidence7 metrics · season cumulative

Elite: tackles for loss (92nd percentile). Strength: solo tackles (90th percentile).

Box-score production (7)

Tackles for loss#212 / 2743 · 92nd pct

8.5

Solo tackles#254 / 2743 · 90th pct

Tackles#306 / 2743 · 89th pct

Sacks#346 / 2743 · 86th pct

3.0

QB hurries#530 / 2743 · 75th pct

Interceptions#126 / 824 · 73rd pct

Passes defended#1085 / 2743 · 49th 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

2021 season · 12 games

Home/Road · Season halves

Home vs Road

	TKL/g	TFL/g	SACK/g	PD/g
Home6g	4.7	0.6	0.0	0.0
Road6g	5.3	0.8	0.5	0.2

First half vs Second half

	TKL/g	TFL/g	SACK/g	PD/g
Weeks 1-76g	4.0	0.5	0.3	0.0
Weeks 8+6g	6.0	0.8	0.2	0.2

Supporting cast · Scheme

Staff and system around the player

2026 season

Head Coach

Brent Venables

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

Awards

Player standing · 2021

Part-time starter

Tackle volume for the position in part-time-starter range.

Recognition

Roster2-deepStarterRecognizedEliteApex

Production · CFB Index Score

84 · #39 of 578 LBs

Three-star recruit. Now #39 at the position.

Career stats

Season	Team
2021	App State	67	41	8.5	3.0	1	2	--
2020	App State	19	8	0.0	0.0	--	--	--
2018	Indiana	39	30	4.0	1.0	--	--	--
2017	Georgia Tech	17	15	2.0	2.0	--	--	--
Career		142	94	14.5	6.0	1	2	--

Game log

Game log · Week-by-week

2021 season · 12 games

Box score · CFBD

Wk	Opp	TKL	SOLO	TFL	SACK	INT	PD	Note
Wk 1	W 33-19vs East Carolina	4	2	0.0	0.0	—	0
Wk 2	L 23-25@ Miami	7	4	2.0	2.0	—	0	2 sacks
Wk 3	W 44-10vs Elon	2	2	1.0	0.0	1	0
Wk 4	W 31-30vs Marshall	2	1	0.0	0.0	—	0
Wk 5	W 45-16@ Georgia State	3	3	0.0	0.0	—	0
Wk 7	L 13-41@ Louisiana	6	1	0.0	0.0	—	0
Wk 8	W 30-27vs Coastal Carolina	5	4	1.0	0.0	—	0
Wk 9	W 59-28vs UL Monroe	9	7	1.5	0.0	—	0	Season-high 9 tackles
Wk 10	W 48-14@ Arkansas State	4	3	0.0	0.0	—	1
Wk 11	W 31-7vs South Alabama	6	4	0.0	0.0	—	0
Wk 12	W 45-7@ Troy	4	3	2.0	1.0	1	0
Wk 14	L 16-24@ Louisiana	8	3	0.5	0.0	—	0
Total		60	37	8.0	3.0	2	1

Stats from CFBD · ESPN · fan discourse. Every figure computed from source tables — not invented. Methodology

T.D. Roof

20178 games

2022

2021 snapshot

Splits & context

Awards

Part-time starter

Career stats

Game log

How he plays

DNA match

Sideline-to-Sideline

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