Sean McDermott

Team: BUFType: DefensiveTenure: 9 years (2017-2026)

HC Record: 98-50 (since 2016)

Coaching Timeline

Why does coaching matter?

CFB

William & Mary

Graduate Assistant

19981 yr

Philadelphia Eagles

Scouting Coordinator

1999-002 yrs

Philadelphia Eagles

Asst. to the Head Coach

20011 yr

Philadelphia Eagles

Defensive Quality Control

2002-032 yrs

Philadelphia Eagles

Asst. DB Coach

2003-075 yrs

Philadelphia Eagles

Linebackers

2007-082 yrs

Philadelphia Eagles

Other Notable Asst.

20081 yr

Philadelphia Eagles

Defensive Coordinator

2009-102 yrs

Carolina Panthers

Defensive Coordinator

2011-166 yrs

Buffalo Bills

Head Coach

2017-259 yrs

Team Info

Season	Role	Team	Record	HC	OC	DC	QB1	QB2	RB1	WR/TE 1	WR/TE 2
2025	Head Coach	BUF	12-5	Sean McDermott	Joe Brady	Bobby Babich	Josh Allen(16.00)	Mitchell Trubisky(2.00)	James Cook(16.00)	Khalil Shakir(14.75)	Dalton Kincaid(10.75)
2024	Head Coach	BUF	13-4	Sean McDermott	Joe Brady	Bobby Babich	Josh Allen(16.00)	—	James Cook(15.50)	Khalil Shakir(14.50)	Keon Coleman(12.50)
2023	Head Coach	BUF	11-6	Sean McDermott	Joe Brady	Sean McDermott	Josh Allen(17.00)	—	James Cook(16.75)	Stefon Diggs(17.00)	Gabe Davis(16.50)
2022	Head Coach	BUF	13-3	Sean McDermott	Ken Dorsey	Leslie Frazier	Josh Allen(15.75)	—	Devin Singletary(15.75)	Stefon Diggs(15.75)	Gabe Davis(15.00)
2021	Head Coach	BUF	11-6	Sean McDermott	Brian Daboll	Leslie Frazier	Josh Allen(16.00)	—	Devin Singletary(17.00)	Stefon Diggs(16.75)	Dawson Knox(14.50)

Coach Impact

Percentiles

Buffalo Bills (2017–2025)

Head Coach

	Before (2016)	First Year (2017)	Delta
OFFENSE
EPA	0.059⁷³	-0.061²⁴	▼ -0.120¹¹
Succ%	45.5%⁷¹	39.0%⁹	▼ -6.5%⁵
RZ P/V	5.1⁵⁶	4.8²⁶	▼ -0.3²⁶
Scripted EPA	0.033⁶¹	-0.029³⁹	▼ -0.062³²
3&Out%	30.9%⁴⁹	34.7%²⁶	▲ +3.8%²⁷
TO Rate	1.2%⁹⁵	1.6%⁷³	▲ +0.4%²⁷
Pass EPA	0.064⁵⁶	-0.007³⁴	▼ -0.071³³
Rush EPA	0.067⁹⁸	-0.159¹⁰	▼ -0.226¹
YAC OEX	-0.66⁰	-0.35⁴	▲ +0.31⁶⁹
xRY	0.00⁰	0.00⁰	0.00⁴³
RYOE	0.00²⁶	0.00²⁶	0.00³⁹
DEFENSE
EPA	0.024³⁷	0.025³⁶	▲ +0.001⁵¹
Succ%	42.5%⁶⁵	43.5%⁵²	▲ +1.0%³⁹
RZ P/V	5.0⁶⁰	5.1⁴⁷	▲ +0.1⁴²
3&Out%	29.3%³⁷	29.4%³⁷	▲ +0.1%⁵²
TO Rate	1.7%³²	2.3%⁷⁵	▲ +0.6%⁸²
Pass EPA	0.081³³	0.024⁶¹	▼ -0.057⁶⁸
Rush EPA	-0.046³⁶	0.016¹¹	▲ +0.062²⁰
YAC OEX	0.23⁸⁰	0.29⁷⁵	▲ +0.05⁵⁰
xRY	0.00¹⁰⁰	0.00¹⁰⁰	0.00⁴⁹
RYOE	0.00⁷⁴	0.00⁷⁴	0.00⁵¹

Coaching Signature

Light 12 Personnel 100%Spread xFP Distribution 100%High Pre-Snap Motion 100%Strong Defense 80%Heavy 11 Personnel 78%Light Screen Game 78%WR-Heavy Targets 78%Aggressive on 4th Down 78%Heavy RPO 71%

Core Efficiency

PercentilesGraph

Pass/Rush Splits

PercentilesGraph

Year	Role	Team	% Pass	Pass EPA	Pass Succ%	Pass SOS	xYAC OEX	YAC OEX	% RB Rush	Rush EPA	Rush Succ%	Rush SOS	xRY	RYOE	% QB Rush	QB Rush EPA
2025	Head Coach	BUF	54.6%	-0.040	41.9%	-0.034	-0.05	0.04	40.3%	0.022	42.3%	-0.011	4.26	1.09	5.1%	0.517
2024	Head Coach	BUF	59.7%	0.084	47.5%	0.019	0.11	0.52	35.9%	-0.093	38.1%	-0.002	4.22	0.42	4.4%	0.022
2023	Head Coach	BUF	61.8%	-0.065	45.1%	-0.014	0.01	0.69	31.8%	-0.073	37.1%	-0.032	3.76	0.67	6.4%	0.225
2022	Head Coach	BUF	62.6%	-0.011	44.5%	-0.005	0.03	0.27	32.4%	-0.062	41.7%	0.018	4.22	0.28	5.1%	-0.218
2021	Head Coach	BUF	58.4%	-0.172	40.0%	-0.044	-0.22	0.81	35.2%	-0.095	36.9%	-0.014	4.04	0.45	6.4%	-0.045

Scheme

PercentilesEPA PctileGraph

Year	Role	Team	Shotgun%	Under Center %	RPO%	PA%	Motion%	1R%	Horiz%	Screen%	WR Tgt%	RB Tgt%	TE Tgt%	11 Pers	12 Pers	21 Pers	XFP Conc
2025	Head Coach	BUF	25.0%	75.1%	7.4%	23.8%	62.6%	59.0%	49.5%	9.9%	56.4%	18.4%	25.2%	62.3%	11.2%	4.7%	1.2%	47.7%
2024	Head Coach	BUF	42.6%	57.7%	7.9%	17.6%	60.9%	57.2%	50.7%	11.4%	59.7%	16.5%	23.8%	56.8%	13.8%	2.2%	0.4%	48.1%
2023	Head Coach	BUF	58.0%	42.0%	11.6%	15.2%	46.2%	51.7%	51.3%	7.9%	60.6%	15.7%	23.7%	64.0%	17.8%	0.6%	0.6%	51.4%
2022	Head Coach	BUF	55.4%	44.9%	10.4%	24.1%	35.0%	51.1%	45.3%	5.8%	65.9%	20.1%	13.9%	69.8%	3.7%	0.1%	14.2%	54.0%
2021	Head Coach	BUF	52.5%	47.9%	13.7%	26.4%	—	—	39.9%	6.6%	71.1%	15.3%	13.2%	69.4%	6.5%	0.0%	8.3%	47.6%

Tendencies

PercentilesGraph

Year	Role	Team	Plays/G	No-Huddle%	Plays/G OEX	Avg SFP	Called Pass%	Called Pass OEX	4th Go%	2pt%	Blowout CP%	Blownout CP%
2025	Head Coach	BUF	62.1	6.1%	-0.5	29.5	55.7%	-3.1%	31.0%	13.7%	31.6%	88.4%
2024	Head Coach	BUF	59.1	6.4%	-0.6	33.1	57.6%	-2.0%	20.9%	2.0%	37.8%	—
2023	Head Coach	BUF	64.2	13.0%	0.3	29.1	59.6%	0.5%	17.1%	8.9%	35.9%	—
2022	Head Coach	BUF	63.4	9.6%	0.6	29.3	64.6%	6.0%	15.9%	6.8%	51.9%	—
2021	Head Coach	BUF	65.8	12.0%	0.2	31.9	65.2%	4.4%	18.9%	7.9%	43.5%	79.5%

Sean McDermott

Team: BUFType: DefensiveTenure: 9 years (2017-2026)

HC Record: 98-50 (since 2016)

Coaching Timeline

Why does coaching matter?

CFB

William & Mary

Graduate Assistant

19981 yr

Philadelphia Eagles

Scouting Coordinator

1999-002 yrs

Philadelphia Eagles

Asst. to the Head Coach

20011 yr

Philadelphia Eagles

Defensive Quality Control

2002-032 yrs

Philadelphia Eagles

Asst. DB Coach

2003-075 yrs

Philadelphia Eagles

Linebackers

2007-082 yrs

Philadelphia Eagles

Other Notable Asst.

20081 yr

Philadelphia Eagles

Defensive Coordinator

2009-102 yrs

Carolina Panthers

Defensive Coordinator

2011-166 yrs

Buffalo Bills

Head Coach

2017-259 yrs

Team Info

Season	Role	Team	Record	HC	OC	DC	QB1	QB2	RB1	WR/TE 1	WR/TE 2
2025	Head Coach	BUF	12-5	Sean McDermott	Joe Brady	Bobby Babich	Josh Allen(16.00)	Mitchell Trubisky(2.00)	James Cook(16.00)	Khalil Shakir(14.75)	Dalton Kincaid(10.75)
2024	Head Coach	BUF	13-4	Sean McDermott	Joe Brady	Bobby Babich	Josh Allen(16.00)	—	James Cook(15.50)	Khalil Shakir(14.50)	Keon Coleman(12.50)
2023	Head Coach	BUF	11-6	Sean McDermott	Joe Brady	Sean McDermott	Josh Allen(17.00)	—	James Cook(16.75)	Stefon Diggs(17.00)	Gabe Davis(16.50)
2022	Head Coach	BUF	13-3	Sean McDermott	Ken Dorsey	Leslie Frazier	Josh Allen(15.75)	—	Devin Singletary(15.75)	Stefon Diggs(15.75)	Gabe Davis(15.00)
2021	Head Coach	BUF	11-6	Sean McDermott	Brian Daboll	Leslie Frazier	Josh Allen(16.00)	—	Devin Singletary(17.00)	Stefon Diggs(16.75)	Dawson Knox(14.50)

Coach Impact

Percentiles

Buffalo Bills (2017–2025)

Head Coach

	Before (2016)	First Year (2017)	Delta
OFFENSE
EPA	0.059⁷³	-0.061²⁴	▼ -0.120¹¹
Succ%	45.5%⁷¹	39.0%⁹	▼ -6.5%⁵
RZ P/V	5.1⁵⁶	4.8²⁶	▼ -0.3²⁶
Scripted EPA	0.033⁶¹	-0.029³⁹	▼ -0.062³²
3&Out%	30.9%⁴⁹	34.7%²⁶	▲ +3.8%²⁷
TO Rate	1.2%⁹⁵	1.6%⁷³	▲ +0.4%²⁷
Pass EPA	0.064⁵⁶	-0.007³⁴	▼ -0.071³³
Rush EPA	0.067⁹⁸	-0.159¹⁰	▼ -0.226¹
YAC OEX	-0.66⁰	-0.35⁴	▲ +0.31⁶⁹
xRY	0.00⁰	0.00⁰	0.00⁴³
RYOE	0.00²⁶	0.00²⁶	0.00³⁹
DEFENSE
EPA	0.024³⁷	0.025³⁶	▲ +0.001⁵¹
Succ%	42.5%⁶⁵	43.5%⁵²	▲ +1.0%³⁹
RZ P/V	5.0⁶⁰	5.1⁴⁷	▲ +0.1⁴²
3&Out%	29.3%³⁷	29.4%³⁷	▲ +0.1%⁵²
TO Rate	1.7%³²	2.3%⁷⁵	▲ +0.6%⁸²
Pass EPA	0.081³³	0.024⁶¹	▼ -0.057⁶⁸
Rush EPA	-0.046³⁶	0.016¹¹	▲ +0.062²⁰
YAC OEX	0.23⁸⁰	0.29⁷⁵	▲ +0.05⁵⁰
xRY	0.00¹⁰⁰	0.00¹⁰⁰	0.00⁴⁹
RYOE	0.00⁷⁴	0.00⁷⁴	0.00⁵¹

Coaching Signature

Light 12 Personnel 100%Spread xFP Distribution 100%High Pre-Snap Motion 100%Strong Defense 80%Heavy 11 Personnel 78%Light Screen Game 78%WR-Heavy Targets 78%Aggressive on 4th Down 78%Heavy RPO 71%

Core Efficiency

PercentilesGraph

Pass/Rush Splits

PercentilesGraph

Year	Role	Team	% Pass	Pass EPA	Pass Succ%	Pass SOS	xYAC OEX	YAC OEX	% RB Rush	Rush EPA	Rush Succ%	Rush SOS	xRY	RYOE	% QB Rush	QB Rush EPA
2025	Head Coach	BUF	54.6%	-0.040	41.9%	-0.034	-0.05	0.04	40.3%	0.022	42.3%	-0.011	4.26	1.09	5.1%	0.517
2024	Head Coach	BUF	59.7%	0.084	47.5%	0.019	0.11	0.52	35.9%	-0.093	38.1%	-0.002	4.22	0.42	4.4%	0.022
2023	Head Coach	BUF	61.8%	-0.065	45.1%	-0.014	0.01	0.69	31.8%	-0.073	37.1%	-0.032	3.76	0.67	6.4%	0.225
2022	Head Coach	BUF	62.6%	-0.011	44.5%	-0.005	0.03	0.27	32.4%	-0.062	41.7%	0.018	4.22	0.28	5.1%	-0.218
2021	Head Coach	BUF	58.4%	-0.172	40.0%	-0.044	-0.22	0.81	35.2%	-0.095	36.9%	-0.014	4.04	0.45	6.4%	-0.045

Scheme

PercentilesEPA PctileGraph

Year	Role	Team	Shotgun%	Under Center %	RPO%	PA%	Motion%	1R%	Horiz%	Screen%	WR Tgt%	RB Tgt%	TE Tgt%	11 Pers	12 Pers	21 Pers	XFP Conc
2025	Head Coach	BUF	25.0%	75.1%	7.4%	23.8%	62.6%	59.0%	49.5%	9.9%	56.4%	18.4%	25.2%	62.3%	11.2%	4.7%	1.2%	47.7%
2024	Head Coach	BUF	42.6%	57.7%	7.9%	17.6%	60.9%	57.2%	50.7%	11.4%	59.7%	16.5%	23.8%	56.8%	13.8%	2.2%	0.4%	48.1%
2023	Head Coach	BUF	58.0%	42.0%	11.6%	15.2%	46.2%	51.7%	51.3%	7.9%	60.6%	15.7%	23.7%	64.0%	17.8%	0.6%	0.6%	51.4%
2022	Head Coach	BUF	55.4%	44.9%	10.4%	24.1%	35.0%	51.1%	45.3%	5.8%	65.9%	20.1%	13.9%	69.8%	3.7%	0.1%	14.2%	54.0%
2021	Head Coach	BUF	52.5%	47.9%	13.7%	26.4%	—	—	39.9%	6.6%	71.1%	15.3%	13.2%	69.4%	6.5%	0.0%	8.3%	47.6%

Tendencies

PercentilesGraph

Year	Role	Team	Plays/G	No-Huddle%	Plays/G OEX	Avg SFP	Called Pass%	Called Pass OEX	4th Go%	2pt%	Blowout CP%	Blownout CP%
2025	Head Coach	BUF	62.1	6.1%	-0.5	29.5	55.7%	-3.1%	31.0%	13.7%	31.6%	88.4%
2024	Head Coach	BUF	59.1	6.4%	-0.6	33.1	57.6%	-2.0%	20.9%	2.0%	37.8%	—
2023	Head Coach	BUF	64.2	13.0%	0.3	29.1	59.6%	0.5%	17.1%	8.9%	35.9%	—
2022	Head Coach	BUF	63.4	9.6%	0.6	29.3	64.6%	6.0%	15.9%	6.8%	51.9%	—
2021	Head Coach	BUF	65.8	12.0%	0.2	31.9	65.2%	4.4%	18.9%	7.9%	43.5%	79.5%