Computed leaderboards · 1999–2025

Defense Leaders

Tackles, sacks, tackles for loss, interceptions and pass breakups. Top-25 single-season lists computed from every season report and box score, 1999–2025. For all-era program marks, see the defense record book.

Career Single Season Single Game

Career Total Tackles

318

Adam Dansdill · 2012-15

Season Total Tackles

133

Adam Dansdill · 2014

Game Total Tackles

Greg McMillin · vs WashU, 1999

Total Tackles

#	Player	Total Tackles	Season	Detail
1	Adam Dansdill	133	2014	GP 12 · Int 1
2	Zeke Harris	119	2025	GP 14 · Int 1
3	J.D. Leman	116	2000	GP 10 · Int 3
4	Justin Knapp	115	2001	GP 10 · Int 1
4	Adam Dansdill	115	2015	GP 12 · Int 1
6	Justin Knapp	109	2002	GP 12 · Int 2
7	Greg McMillin	103	1999	GP 8 · Int 0
8	Mikey Swider	101	2014	GP 12 · Int 0
9	Eric Stevenson	100	2016	GP 13 · Int 4
10	Tom McAndrews	98	2003	GP 13 · Int 1
11	Caleb Coburn	93	2025	GP 14 · Int 0
12	Ryan Schwartz	89	2021	GP 12 · Int 3
13	Stephen Pagh	87	2008	GP 13 · Int 1
14	Caleb Ashby	86	2016	GP 13 · Int 1
14	Jalen Shaffer	86	2022	GP 11 · Int 1
16	Eric Stevenson	85	2017	GP 10 · Int 0
17	Greg McMillin	84	2000	GP 9 · Int 0
17	Ty Gose	84	2003	GP 13 · Int 3
17	Luca Torti	84	2025	GP 14 · Int 0
20	Brett Wyss	82	2000	GP 10 · Int 0
20	Luke Sahly	82	2016	GP 13 · Int 0
22	Ryan Schwartz	80	2019	GP 12 · Int 2
23	Tyler Langs	79	2008	GP 14 · Int 5
24	John Peays	77	1999	GP 9 · Int 5
24	Stephen Pagh	77	2006	GP 12 · Int 0

Solo Tackles

#	Player	Solo Tackles	Season	Detail
1	J.D. Leman	85	2000	GP 10 · Int 3
2	Justin Knapp	74	2001	GP 10 · Int 1
3	Wyatt 13 39 Lee	66	2019	GP 27 · Int 0
4	Adam Dansdill	65	2014	GP 12 · Int 1
4	Jalen Shaffer	65	2022	GP 11 · Int 1
4	Zeke Harris	65	2025	GP 14 · Int 1
7	Ryan Schwartz	64	2021	GP 12 · Int 3
8	Pete Ittersagen	63	2007	GP 10 · Int 3
9	Tyler Langs	62	2008	GP 14 · Int 5
10	Greg McMillin	60	1999	GP 8 · Int 0
11	Ty Gose	58	2003	GP 13 · Int 3
12	Ryan Schwartz	57	2019	GP 12 · Int 2
13	Garrett Cook	55	2012	GP 10 · Int 2
13	Adam Dansdill	55	2015	GP 12 · Int 1
13	Eric Stevenson	55	2016	GP 13 · Int 4
16	Greg McMillin	54	2000	GP 9 · Int 0
16	Brett Wyss	54	2000	GP 10 · Int 0
16	Jordan Schirman	54	2008	GP 14 · Int 0
19	Tom McAndrews	53	2003	GP 13 · Int 1
20	Stephen Pagh	51	2008	GP 13 · Int 1
21	Todd Travis	50	2004	GP 12 · Int 5
21	Caleb Walters	50	2004	GP 12 · Int 1
21	Caleb Coburn	50	2025	GP 14 · Int 0
24	Jeff Mumm	49	2001	GP 10 · Int 1
24	Pete Ittersagen	49	2008	GP 14 · Int 3

Sacks

#	Player	Sacks	Season	Detail
1	Andy Studebaker	17.5	2006	GP 12 · Int 0
2	Chase Greenlee	15.5	2017	GP 10 · Int 1
3	Chase Greenlee	14.0	2016	GP 13 · Int 0
3	Peter Johanik	14.0	2025	GP 14 · Int 0
5	Drew Pearson	11.0	1999	GP 9 · Int 0
5	Dallas McRae	11.0	2021	GP 12 · Int 0
5	Peter Johanik	11.0	2024	GP 11 · Int 1
8	Dane Lundgren	10.0	2002	GP 12 · Int 0
8	Caleb Ashby	10.0	2016	GP 13 · Int 1
10	Jake Holaday	9.5	2021	GP 11 · Int 0
11	Ben Kuenzle	9.0	2007	GP 10 · Int 0
12	Tim Cryer	8.5	2003	GP 13 · Int 0
12	Logan McRae	8.5	2015	GP 12 · Int 0
12	Dallas McRae	8.5	2019	GP 13 · Int 0
15	Logan McRae	8.0	2014	GP 10 · Int 0
15	River Shindledecker	8.0	2021	GP 12 · Int 0
15	Philip LoChirco	8.0	2022	GP 9 · Int 0
18	Andy Studebaker	7.5	2005	GP 10 · Int 0
19	Greg McMillin	7.0	1999	GP 8 · Int 0
19	Dane Lundgren	7.0	1999	GP 9 · Int 0
19	Shawn Wildt	7.0	1999	GP 9 · Int 2
19	Jared Todd	7.0	2014	GP 12 · Int 0
19	Patrick O'Connell	7.0	2016	GP 11 · Int 1
19	Austin Hoover	7.0	2017	GP 10 · Int 0
19	River Shindledecker	7.0	2019	GP 13 · Int 0

Tackles for Loss

#	Player	Tackles for Loss	Season	Detail
1	Andy Studebaker	24.5	2006	GP 12 · Int 0
2	Peter Johanik	23.0	2024	GP 11 · Int 1
2	Peter Johanik	23.0	2025	GP 14 · Int 0
4	Dallas McRae	22.0	2021	GP 12 · Int 0
5	Chase Greenlee	21.5	2017	GP 10 · Int 1
6	Andy Studebaker	19.5	2005	GP 10 · Int 0
7	Drew Pearson	19.0	1999	GP 9 · Int 0
7	Chase Greenlee	19.0	2016	GP 13 · Int 0
9	Dallas McRae	18.5	2019	GP 13 · Int 0
10	Logan McRae	18.0	2015	GP 12 · Int 0
11	Caleb Ashby	16.5	2016	GP 13 · Int 1
12	Dane Lundgren	16.0	1999	GP 9 · Int 0
13	Patrick O'Connell	15.0	2018	GP 10 · Int 0
13	Jake Holaday	15.0	2019	GP 13 · Int 0
15	Rex Kroger	14.5	2025	GP 14 · Int 1
16	Logan McRae	14.0	2014	GP 10 · Int 0
16	Adam Dansdill	14.0	2015	GP 12 · Int 1
16	Jake Holaday	14.0	2021	GP 11 · Int 0
16	Peter Johanik	14.0	2023	GP 11 · Int 0
16	Zeke Harris	14.0	2025	GP 14 · Int 1
21	Dane Lundgren	13.5	2002	GP 12 · Int 0
21	Eric Theisen	13.5	2007	GP 10 · Int 0
21	Ben Kuenzle	13.5	2007	GP 10 · Int 0
24	J.D. Leman	13.0	2000	GP 10 · Int 3
24	Jamie Busch	13.0	2001	GP 10 · Int 0

Interceptions

#	Player	Interceptions	Season	Detail
1	Colin Moore	8	2025	GP 14
2	Tyler Langs	6	2010	GP 12
2	Wes Cannonier	6	2015	GP 11
4	John Peays	5	1999	GP 9
4	Bob Bollweg	5	2001	GP 10
4	Todd Travis	5	2004	GP 12
4	Tyler Langs	5	2008	GP 14
4	Shane Woodward	5	2008	GP 14
4	Michael Risher	5	2014	GP 12
4	Sam Bell	5	2022	GP 11
11	Ryan McCaffrey	4	2000	GP 10
11	Shawn Wildt	4	2003	GP 12
11	Michael Drach	4	2003	GP 12
11	Pete Ittersagen	4	2005	GP 10
11	Pete Ittersagen	4	2006	GP 12
11	Tim March	4	2006	GP 12
11	Jordan Langs	4	2010	GP 12
11	Jordan Langs	4	2011	GP 10
11	Tyler Sigler	4	2015	GP 12
11	Eric Stevenson	4	2016	GP 13
11	Luke Smith	4	2017	GP 9
11	Spencer Rowland	4	2019	GP 13
11	Corey Kennedy	4	2019	GP 13
11	Caleb Egbert	4	2021	GP 12
11	Riley Schwartz	4	2022	GP 11

Pass Breakups

#	Player	Pass Breakups	Season	Detail
1	Pete Ittersagen	18	2007	GP 10 · Int 3
2	Shawn Wildt	15	2002	GP 12 · Int 3
3	Spencer Rowland	14	2019	GP 13 · Int 4
4	Caleb Walters	13	2004	GP 12 · Int 1
4	Shane Woodward	13	2008	GP 14 · Int 5
4	Marcus Smith	13	2016	GP 13 · Int 2
4	Joseph Bracy	13	2025	GP 13 · Int 2
8	Bryan Ittersagen	12	2001	GP 10 · Int 3
8	Caleb Walters	12	2003	GP 12 · Int 2
8	Pete Ittersagen	12	2008	GP 14 · Int 3
8	Tyler Langs	12	2010	GP 12 · Int 6
12	Bryan Ittersagen	11	2000	GP 10 · Int 0
12	Pete Ittersagen	11	2006	GP 12 · Int 4
12	Tyler Langs	11	2007	GP 10 · Int 3
12	Adam Dansdill	11	2014	GP 12 · Int 1
12	Tyler Sigler	11	2016	GP 13 · Int 2
17	Shawn Wildt	10	2001	GP 10 · Int 0
17	Michael Drach	10	2002	GP 11 · Int 2
17	Michael Drach	10	2003	GP 12 · Int 4
17	Todd Travis	10	2004	GP 12 · Int 5
17	Matt McReynolds	10	2012	GP 10 · Int 1
17	Caleb Ashby	10	2015	GP 12 · Int 3
23	J.D. Leman	9	2000	GP 10 · Int 3
23	Ryan McCaffrey	9	2000	GP 10 · Int 4
23	Mike Lindberg	9	2004	GP 12 · Int 2

QB Hurries

#	Player	QB Hurries	Season	Detail
1	Andy Studebaker	19	2006	GP 12 · Int 0
2	Chase Greenlee	16	2016	GP 13 · Int 0
3	Robert Ramsay	15	2010	GP 12 · Int 0
3	Rex Kroger	15	2025	GP 14 · Int 1
5	Ben Kuenzle	13	2008	GP 14 · Int 0
5	Logan McRae	13	2015	GP 12 · Int 0
7	Peter Johanik	11	2023	GP 11 · Int 0
7	Peter Johanik	11	2025	GP 14 · Int 0
9	JD East	10	2010	GP 12 · Int 1
10	Darryn Wiebe	9	1999	GP 9 · Int 0
10	Jamie Busch	9	2001	GP 10 · Int 0
10	Ben Reedy	9	2003	GP 13 · Int 0
10	Jared Todd	9	2014	GP 12 · Int 0
10	Zeke Harris	9	2025	GP 14 · Int 1
15	Greg McMillin	8	2000	GP 9 · Int 0
15	Dane Lundgren	8	2000	GP 8 · Int 0
15	James Busch	8	2000	GP 10 · Int 0
15	Dane Lundgren	8	2001	GP 10 · Int 0
15	Dane Lundgren	8	2002	GP 12 · Int 0
15	Michael Ware	8	2004	GP 10 · Int 0
15	Dallas McRae	8	2019	GP 13 · Int 0
15	River Shindledecker	8	2019	GP 13 · Int 0
15	Dallas McRae	8	2021	GP 12 · Int 0
15	River Shindledecker	8	2021	GP 12 · Int 0
25	Jeff Darnauer	7	2000	GP 10 · Int 0

Forced Fumbles

#	Player	Forced Fumbles	Season	Detail
1	Michael Drach	3	2002	GP 11 · Int 2
1	Todd Travis	3	2004	GP 12 · Int 5
1	Brian McMullen	3	2010	GP 11 · Int 3
1	Jared Todd	3	2012	GP 10 · Int 0
1	Logan McRae	3	2014	GP 10 · Int 0
1	Marcus Smith	3	2015	GP 12 · Int 3
1	Luke Sahly	3	2016	GP 13 · Int 0
1	Nate Tofilon	3	2024	GP 11 · Int 1
1	Peter Johanik	3	2025	GP 14 · Int 0
1	Luca Torti	3	2025	GP 14 · Int 0
11	Dane Lundgren	2	1999	GP 9 · Int 0
11	Derek Flynn	2	1999	GP 9 · Int 1
11	James Busch	2	2000	GP 10 · Int 0
11	Shawn Wildt	2	2001	GP 10 · Int 0
11	Eliot Thomasma	2	2001	GP 10 · Int 0
11	Dane Lundgren	2	2001	GP 10 · Int 0
11	Tom McAndrews	2	2003	GP 13 · Int 1
11	Ty Gose	2	2003	GP 13 · Int 3
11	Shawn Wildt	2	2003	GP 12 · Int 4
11	Jon Shuptar	2	2003	GP 11 · Int 0
11	Nate Odom	2	2004	GP 8 · Int 1
11	Andy Studebaker	2	2005	GP 10 · Int 0
11	Stephen Pagh	2	2006	GP 12 · Int 0
11	Pete Ittersagen	2	2007	GP 10 · Int 3
11	Jon Ryan	2	2008	GP 14 · Int 1

Fumble Recoveries

#	Player	Fumble Recoveries	Season	Detail
1	Ty Gose	3	2001	GP 8 · Int 0
1	Ben Kuenzle	3	2007	GP 10 · Int 0
1	JD East	3	2011	GP 10 · Int 0
1	Wes Cannonier	3	2014	GP 12 · Int 2
1	Corey Kennedy	3	2018	GP 10 · Int 3
1	Nate Tofilon	3	2024	GP 11 · Int 1
1	Peter Johanik	3	2025	GP 14 · Int 0
1	Luca Torti	3	2025	GP 14 · Int 0
9	Greg McMillin	2	1999	GP 8 · Int 0
9	John Peays	2	1999	GP 9 · Int 5
9	J.D. Leman	2	2000	GP 10 · Int 3
9	Shawn Wildt	2	2001	GP 10 · Int 0
9	Justin Knapp	2	2002	GP 12 · Int 2
9	Dane Lundgren	2	2002	GP 12 · Int 0
9	Ty Gose	2	2003	GP 13 · Int 3
9	Mike Lindberg	2	2004	GP 12 · Int 2
9	Andy Studebaker	2	2005	GP 10 · Int 0
9	Andy Studebaker	2	2006	GP 12 · Int 0
9	Brian McMullen	2	2010	GP 11 · Int 3
9	Cory Hart	2	2010	GP 12 · Int 1
9	Pat Dansdill	2	2012	GP 10 · Int 0
9	Brett Anderson	2	2012	GP 10 · Int 0
9	Tony Vargyas	2	2012	GP 10 · Int 1
9	Logan McRae	2	2013	GP 9 · Int 0
9	Caleb Ashby	2	2014	GP 12 · Int 1

Blocked Kicks

#	Player	Blocked Kicks	Season	Detail
1	Jalen Shaffer	6	2021	GP 8 · Int 0
2	Brian Pastermack	4	2000	GP 10 · Int 0
3	Jordan Schirman	3	2008	GP 14 · Int 0
4	John Peays	2	1999	GP 9 · Int 5
4	Brian Pastermack	2	1999	GP 9 · Int 0
4	Jordan Langs	2	2009	GP 10 · Int 0
4	Elijah Nitz	2	2023	GP 2 · Int 0
4	Aidan Kingsbury	2	2025	GP 3 · Int 0
9	Mitch Clement	1	1999	GP 9 · Int 2
9	Jeff Darnauer	1	2000	GP 10 · Int 0
9	Darryn Wiebe	1	2000	GP 10 · Int 0
9	Ty Gose	1	2000	GP 7 · Int 0
9	Eliot Thomasma	1	2001	GP 10 · Int 0
9	Michael Drach	1	2001	GP 3 · Int 0
9	Jeff Mumm	1	2002	GP 11 · Int 1
9	Todd Travis	1	2003	GP 11 · Int 0
9	Andrew King	1	2003	GP 12 · Int 0
9	Todd Travis	1	2004	GP 12 · Int 5
9	Nate Odom	1	2004	GP 8 · Int 1
9	Jonathan Toal	1	2004	GP 4 · Int 0
9	Andy Studebaker	1	2005	GP 10 · Int 0
9	Kirk Swanson	1	2005	GP 9 · Int 0
9	Daniel Meeh	1	2006	GP 7 · Int 0
9	Alex Pokorny	1	2007	GP 10 · Int 0
9	Jordan Langs	1	2008	GP 11 · Int 0

Interception Return Yards

#	Player	Yds	Season	Detail
1	Tyler Langs	197	2010	No 6 · TD 0
2	Corey Kennedy	177	2018	No 3 · TD 2
3	Wes Cannonier	168	2015	No 6 · TD 2
4	Caleb Egbert	127	2021	GP 12 · No 4 · TD 0
5	Eric Stevenson	112	2016	No 4 · TD 2
6	Jordan Langs	111	2010	No 4 · TD 1
7	Corey Kennedy	108	2019	No 4 · TD 1
8	Tim March	105	2006	No 4 · TD 1
9	Caden Sigler	100	2019	No 2 · TD 2
10	Shawn Wildt	95	2002	No 3 · TD 1
10	Tyler Sigler	95	2017	No 1 · TD 1
12	Shawn Wildt	81	2003	No 4 · TD 0
12	Jackson Edwards	81	2013	No 1 · TD 0
14	Shane Woodward	80	2006	No 2 · TD 0
15	Tyler Sigler	79	2015	No 4 · TD 1
16	Bryan McBroom	78	2010	No 2 · TD 1
17	Pete Ittersagen	77	2008	No 3 · TD 1
18	J.D. Leman	73	2000	No 3 · TD 0
19	Pete Ittersagen	72	2005	No 4 · TD 1
20	Tyler Langs	71	2008	No 5 · TD 0
21	Adam Dansdill	70	2012	No 1 · TD 1
22	Rex Kroger	67	2025	GP 14 · No 1 · TD 0
23	Shane Woodward	66	2008	No 5 · TD 1
24	Spencer Rowland	65	2019	No 4 · TD 1
25	Tyler Langs	62	2007	No 3 · TD 1

Interception Return TDs

#	Player	TDs	Season	Detail
1	Wes Cannonier	2	2015	No 6 · Yds 168
1	Eric Stevenson	2	2016	No 4 · Yds 112
1	Corey Kennedy	2	2018	No 3 · Yds 177
1	Caden Sigler	2	2019	No 2 · Yds 100
5	Bob Bollweg	1	2001	No 5 · Yds 47
5	Jeff Mumm	1	2001	No 1 · Yds 47
5	Shawn Wildt	1	2002	No 3 · Yds 95
5	Pete Ittersagen	1	2005	No 4 · Yds 72
5	Tim March	1	2006	No 4 · Yds 105
5	Pete Ittersagen	1	2006	No 4 · Yds 59
5	Mike McKinney	1	2006	No 1 · Yds 28
5	Tyler Langs	1	2007	No 3 · Yds 62
5	Grant Roszkowiak	1	2007	No 1 · Yds 18
5	Shane Woodward	1	2008	No 5 · Yds 66
5	Pete Ittersagen	1	2008	No 3 · Yds 77
5	Brian McMullen	1	2009	No 2 · Yds 30
5	Jordan Langs	1	2010	No 4 · Yds 111
5	Bryan McBroom	1	2010	No 2 · Yds 78
5	Ryan Foster	1	2010	No 1 · Yds 35
5	JD East	1	2010	No 1 · Yds 47
5	Adam Dansdill	1	2012	No 1 · Yds 70
5	Caleb Ashby	1	2014	No 1 · Yds 52
5	Tyler Sigler	1	2015	No 4 · Yds 79
5	Adam Dansdill	1	2015	No 1 · Yds 35
5	Caleb Ashby	1	2016	No 1 · Yds 33