Dennis Grosel

Senior quarterback for Boston College. 2021: 1,216 passing yards, 6 TD, 7 INT.

QB · Boston College · Sr. · #6

6′1″ · 221 lb · Willoughby, OH

CFB Index 26 · #112 of 126 QBsHigh confidenceBoston College 2021 alumnus

The story

4 quarterback for Boston College. 2021: 1,216 passing yards, 6 TD, 7 INT.

The record fills in as he plays.

His career, year by year

How it ended

Three seasons at Boston College, 2,767 passing yards — his college career is complete.

His career

Nobody recruited him. He earned the honors anyway.

The week the volume broke through — put up 311 yds at Clemson.Clemson · L 13-192021

Career arc

Recruit

—

No recruit profile

CFB

College

Boston College

2019–2021

NFL

NFL Draft

—

Not drafted

Coaching lineage · 2019–2021

2 coaches

2019

Steve Addazio

Boston College

2020–2021

Jeff Hafley

Boston College

era →

Coaching transition mid-career: Steve Addazio → Jeff Hafley. Worth noting in scheme + development context.

2021 snapshot

Season context · Team result + system

2019Boston College6-7HC: Steve Addazio · Run-heavy

2020Boston College6-5HC: Jeff Hafley · Balanced

2021Boston College6-6HC: Jeff Hafley · Run-heavy

Where this profile ranks vs the QB cohort

Box-score + play-by-play EPA percentiles

26Below cohort / limited sample #112 of 126?

High confidence13 metrics · season cumulative

Concern: explosive rate (10th percentile).

Real play-by-play efficiency

Sack rate#81 / 167 · 52nd pct

6.0%

EPA / dropback#124 / 167 · 26th pct

0.15

Interception rate#128 / 167 · 24th pct

3.0%

Success rate#136 / 167 · 19th pct

41.0%

Explosive rate#150 / 167 · 10th pct

6.5%

Box-score rates (8)

Rush TDs#77 / 169 · 47th pct

Rush yards#94 / 169 · 45th pct

Interceptions#87 / 169 · 42nd pct

Fumbles lost#82 / 159 · 36th pct

Pass yards#120 / 169 · 29th pct

1216

Completion %#127 / 169 · 25th pct

57.8%

Yards / att#136 / 169 · 20th pct

6.3

Pass TDs#131 / 169 · 19th pct

Season trend

EPA / dropback— 2020 cohort too thin to compare (n=17)

Success rate— 2020 cohort too thin to compare (n=17)

Explosive rate— 2020 cohort too thin to compare (n=17)

Sack rate— 2020 cohort too thin to compare (n=17)

Interception rate— 2020 cohort too thin to compare (n=17)

Percentiles versus same-position peers with enough snaps this season. Most bars are box-score rates; EPA / success-rate bars are computed from real play-by-play (offense only — no defensive EPA model exists yet).

Passing profile

Pass Profile · Completions by yards gained (PBP)

Adjusted ANY/A, sack rate, and where the yards came from

108/185 (58.4%) · 6 TD · 7 INT

185 of 192 attempts matched to play-by-play

Adjusted ANY/A

4.79168 of 204 QBs

Sack rate

5.9%103 of 204 QBs

Sacked on 5.9% of dropbacks (103 of 204) and Adjusted ANY/A trails the field (168 of 204).

Adjusted ANY/A uses full-season box-score totals (attempts, yards, TDs, INTs); sack rate is play-by-play-derived.

Short

0–9 yds

56%of completions

60 comp4.8 yds avg3 TD

Middle

10–19 yds

33%of completions

36 comp14.1 yds avg2 TD

Deep

20+ yds

11%of completions

12 comp33.2 yds avg1 TD

Overall 58.4% completion on 185 attempts · 12 deep completions averaging 33.2 yds.

Splits & context

Splits · Per-game

2021 season · 8 games

Home/Road · Season halves

Home vs Road

	YDS/g	TD/g	YPA	INT/g
Home3g	138	1.0	6.1	0.7
Road5g	161	0.6	7.2	1.0

First half vs Second half

	YDS/g	TD/g	YPA	INT/g
Weeks 1-76g	164	0.8	7.4	0.8
Weeks 8+2g	117	0.5	5.0	1.0

Supporting cast · Scheme

Staff and system around the player

2026 season

Head Coach

Bill O'Brien

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

Splitting first-team reps — starts some weeks, rotates others.

Recognition

Roster2-deepStarterRecognizedEliteApex

Production · CFB Index Score

26 · #112 of 126 QBs

Career stats

Season	Team
2021	Boston College	111	192	57.8%	1,216	6.3	6	7	114.0	40	--	--
2020	Boston College	37	54	68.5%	568	10.5	6	3	182.4	57	--	--
2019	Boston College	75	155	48.4%	983	6.3	9	3	116.9	--	--	--
Career		223	401	55.6%	2,767	6.9	21	13	124.4	43	--	--

Season	Team
2021	Boston College	44	69	1.6	2	--
2020	Boston College	7	22	3.1	0	--
2019	Boston College	57	209	3.7	2	--
Career		108	300	2.8	4	--

Signature game

SIGNATURE GAME · Week 4 · 2021

W 41–34

vs Missouri

175 yds · 2 TD · 1 INT · QBR 83.1 · 35 rush yds (9 car)

Edged out Missouri at home in a shootout.

With P. Garwo III — 175 rush yds (25 car) · 2 TD · G. Carlson — 41 AVG · 52 LONG · 2 NO

Signature plays

Signature plays · top plays by |EPA|

The plays that mattered most

fact

Week 4 · Missouri · 3&8 · Q2 · EPA +3.95Dennis Grosel pass complete to CJ Lewis for 38 yds to the Misso 25 for a 1ST down
Week 2 · Massachusetts · 3&6 · Q4 · EPA +3.94Dennis Grosel pass complete to Zay Flowers for 49 yds to the UMass 14 for a 1ST down
Week 5 · Clemson · 2&10 · Q3 · EPA +3.49Dennis Grosel pass complete to Trae Barry for 33 yds to the Clem 42 for a 1ST down
Week 7 · NC State · 3&9 · Q1 · EPA +3.46Dennis Grosel pass complete to Travis Levy for 27 yds to the NCSt 47 for a 1ST down
Week 2 · Massachusetts · 1&10 · Q3 · EPA +3.41Dennis Grosel pass complete to Trae Barry for 44 yds for a TD, (Danny Longman KICK)
Week 8 · Louisville · 4&6 · Q4 · EPA +3.13Dennis Grosel pass complete to Jaelen Gill for 6 yds for a TD (Connor Lytton KICK)
Week 5 · Clemson · 2&11 · Q4 · EPA +3.11Dennis Grosel pass complete to Jaelen Gill for 25 yds to the Clem 47 for a 1ST down
Week 7 · NC State · 3&15 · Q1 · EPA +3.02Dennis Grosel pass complete to Jaelen Gill for 18 yds to the BC 46 for a 1ST down
Week 3 · Temple · 2&10 · Q1 · EPA +2.97Dennis Grosel pass complete to Jaden Williams for 19 yds for a TD (Connor Lytton KICK)
Week 7 · NC State · 3&8 · Q1 · EPA +2.95Dennis Grosel pass complete to Trae Barry for 8 yds for a TD (Connor Lytton KICK)

Game log

Game log · Week-by-week

2021 season · 8 games

Box score · CFBD

Wk	Opp	CMP/ATT	YDS	TD	INT	YPA	QBR	Note
Wk 1	W 51-0vs Colgate	5/6	44	0	0	7.3	89.5
Wk 2	W 45-28@ Massachusetts	11/14	199	1	0	14.2	84.3
Wk 3	W 28-3@ Temple	7/15	59	1	1	3.9	66.1
Wk 4	W 41-34vs Missouri	18/29	175	2	1	6.0	83.1
Wk 5	L 13-19@ Clemson	23/40	311	0	2	7.8	63.3	Season-high 311 yds
Wk 7	L 7-33vs NC State	21/39	194	1	1	5.0	43.0
Wk 8	L 14-28@ Louisville	17/32	141	1	2	4.4	10.5
Wk 9	L 6-21@ Syracuse	9/17	93	0	0	5.5	24.3
Total		111/192	1216	6	7	6.8	58.0

How he plays

Play style

Balanced passer who operates within the system, without one standout number carrying the profile.

CFB Index positional classification

Checkdown vs gunslinger · 3rd-and-long

Where the completions actually land

fact

56.7%Completion %

25.0%Conversion/dropback

52.9%Land short of sticks

1INTs

56.7% completion on 3rd-and-8+, but only 25.0% conversion-per-dropback — 52.9% of completions land short of the sticks.

Where completions land is fact — whether incompletions were aimed deep is intent, not recorded here, so this card counts completions only. ~ our read: checkdown by design