Coaches
Jim Knowles
His career from Wikipedia, each job checked against the team-season pages (✓ = a second source agrees, ≠ = they disagree)
Jim Knowles
Played at Cornell 1983-1986
Source: Wikipedia, read 2026-10-26
| Years | Team | Role | Title | Head coach |
|---|---|---|---|---|
| 1988 | Cornell | Position | DL | not known |
| 1989-1994 | Cornell | Position | RB | not known |
| 1995-1996 | Cornell | Position | LB/RC | not known |
| 1997-2000 | Western Michigan | Position | DL | Gary Darnell |
| 2001-2002 | Western Michigan (DC) (unknown) | Head coach | Head coach | himself |
| 2003 | Ole Miss | Position | LB/RC | David Cutcliffe |
| 2004-2009 | Cornell | Head coach | Head coach | himself |
| 2010-2011 | Duke | DC | DC/S✓ | David Cutcliffe |
| 2012-2014 | Duke (DC) (unknown) | Head coach | Head coach | himself |
| 2012-2014 | Duke | DC | Defensive coordinator · season pages | David Cutcliffe |
| 2015-2017 | Duke | DC | DC/ILB✓ | David Cutcliffe |
| 2018-2021 | Oklahoma State | DC | DC✓ | Mike Gundy |
| 2022-2024 | Ohio State | DC | DC✓ | Ryan Day*+ |
| 2025 | Penn State | DC | DC✓ | Terry Smith |
| 2026- | Tennessee | DC | DC✓ | Josh Heupel*+ |
Record
Confirmed coordinator seasons since 2005. FBS rankings
| Season | Team | Job | EPA/play | Points/poss. | Success | Year before | Teams |
|---|---|---|---|---|---|---|---|
| 2010 | Duke | Defensive coordinator | 115 | 106 | 66 | 85 | 120 |
| 2011 | Duke | Defensive coordinator | 115 | 98 | 110 | 115 | 120 |
| 2015 | Duke | Defensive coordinator | 65 | 38 | 44 | 36 | 128 |
| 2016 | Duke | Defensive coordinator | 85 | 79 | 53 | 65 | 128 |
| 2017 | Duke | Defensive coordinator | 13 | 20 | 14 | 85 | 130 |
| 2018 | Oklahoma State | Defensive coordinator | 102 | 84 | 66 | 50 | 130 |
| 2019 | Oklahoma State | Defensive coordinator | 52 | 49 | 62 | 102 | 130 |
| 2020 | Oklahoma State | Defensive coordinator | 19 | 18 | 14 | 52 | 127 |
| 2021 | Oklahoma State | Defensive coordinator | 4 | 5 | 7 | 19 | 130 |
| 2022 | Ohio State | Defensive coordinator | 19 | 15 | 4 | 28 | 131 |
| 2023 | Ohio State | Defensive coordinator | 5 | 2 | 14 | 19 | 133 |
| 2024 | Ohio State | Defensive coordinator | 1 | 2 | 5 | 5 | 134 |
| 2025 | Penn State | Defensive coordinator | 46 | 54 | 59 | 10 | 136 |
| 2026 | Tennessee | Defensive coordinator | 5 | 9 | 33 | 61 | 138 |
| Season | Head coach below FBS | Level | Record |
|---|---|---|---|
| 2004 | Cornell | FCS | 4-6 |
| 2005 | Cornell | FCS | 6-4 |
| 2006 | Cornell | FCS | 5-5 |
| 2007 | Cornell | FCS | 5-5 |
| 2008 | Cornell | FCS | 4-6 |
| 2009 | Cornell | FCS | 2-8 |
Worked under
- Gary Darnell · Western Michigan 1997-2000 (Position)
- David Cutcliffe · Ole Miss 2003 (Other, Position)
- David Cutcliffe · Duke 2010-2017 (DC, Position)
- Mike Gundy · Oklahoma State 2018-2021 (DC)
- Ryan Day*+ · Ohio State 2022-2024 (DC)
- Terry Smith · Penn State 2025 (DC)
- Josh Heupel*+ · Tennessee 2026 (DC)
His tree
Coaches who were on his staffs
No one on his staffs among the coaches we hold.
Coached together
- Andre Patterson · Cornell 1990-1991 · him Position, them Position
- Jim Hofher · Cornell 1990-1996 · him Other, Position, them Head coach
- Bruce Barnum · Cornell 1991-2009 · him Head coach, Position, them OC, Position
- Jeff Stoutland · Cornell 1993-1996 · him Other, Position, them Position
- Bill Lazor · Cornell 1994-1996 · him Other, Position, them Analyst
- Bill Cubit · Western Michigan 1997-1999 · him Position, them OC, Position
- Brian Rock · Western Michigan 1997-2000 · him Position, them OC, Position, ST coord.
- Gary Darnell · Western Michigan 1997-2000 · him Position, them Head coach
- Sam Pittman · Western Michigan 1999 · him Position, them Other
- Dan Enos · Western Michigan 2000 · him Position, them Position
- David Cutcliffe · Ole Miss 2003 · him Other, Position, them Head coach
- Kurt Roper · Ole Miss 2003 · him Other, Position, them Other, Position
- Marion Hobby · Ole Miss 2003 · him Other, Position, them Position
- Zac Roper · Ole Miss 2003 · him Other, Position, them GA
- Ricky Rahne* · Cornell 2005 · him Head coach, them Position
- Zac Roper · Cornell 2005-2007 · him Head coach, them Position, ST coord.
- David Archer · Cornell 2007-2009 · him Head coach, them Other, Position
- David Cutcliffe · Duke 2010-2017 · him DC, Position, them Head coach
- Derek Jones · Duke 2010-2017 · him DC, Position, them Other, Position
- Kurt Roper · Duke 2010-2013 · him DC, Position, them OC, Position
- Marion Hobby · Duke 2010 · him DC, Position, them DC, Position
- Matt Lubick · Duke 2010-2012 · him DC, Position, them Position
- Matt Luke · Duke 2010-2011 · him DC, Position, them OC, Position
- Zac Roper · Duke 2010-2017 · him DC, Position, them OC, Other, Position, ST coord.
- Jeff Faris · Duke 2012-2017 · him DC, Position, them GA, Position
- Matt Guerrieri · Duke 2012-2017 · him DC, Position, them GA, Position
- Re'quan Boyette · Duke 2013 · him DC, them Position
- Scottie Montgomery · Duke 2013-2015 · him DC, Position, them OC, Other, Position
- Ben Albert · Duke 2016-2017 · him DC, Position, them Position
- Gerad Parker* · Duke 2017 · him DC, Position, them Analyst
- Bob Stitt · Oklahoma State 2018 · him DC, them Analyst
- Brian Rock · Oklahoma State 2018 · him DC, them Analyst
- Chris Thurmond · Oklahoma State 2018-2021 · him DC, them Analyst
- Josh Henson · Oklahoma State 2018 · him DC, them Position
- Kasey Dunn · Oklahoma State 2018-2021 · him DC, them OC, Other, Position
- Mike Gundy · Oklahoma State 2018-2021 · him DC, them Head coach
- Mike Yurcich · Oklahoma State 2018 · him DC, them OC, Position
- Sean Gleeson · Oklahoma State 2019 · him DC, them OC, Position
- Brian Hartline* · Ohio State 2022-2024 · him DC, them OC, Position
- Corey Dennis · Ohio State 2022-2023 · him DC, them Position
- Justin Frye · Ohio State 2022-2024 · him DC, them Position
- Keenan Bailey · Ohio State 2022-2024 · him DC, them Analyst, Other, Position
- Kevin Wilson · Ohio State 2022 · him DC, them OC, Position
- Larry Johnson · Ohio State 2022-2024 · him DC, them Other, Position
- Matt Guerrieri · Ohio State 2022-2024 · him DC, them Analyst, Position
- Perry Eliano · Ohio State 2022-2023 · him DC, them Position
- Ryan Day*+ · Ohio State 2022-2024 · him DC, them Head coach
- Tim Walton · Ohio State 2022-2024 · him DC, them Other, Position
- Todd Fitch · Ohio State 2022-2023 · him DC, them Analyst
- Billy Fessler · Ohio State 2024 · him DC, them Analyst
- Chip Kelly · Ohio State 2024 · him DC, them OC, Position
- Tim Drevno · Ohio State 2024 · him DC, them Analyst
- Andy Kotelnicki · Penn State 2025 · him DC, them OC
- Anthony Poindexter · Penn State 2025 · him DC, them DC, Position
- James Franklin* · Penn State 2025 · him DC, them Head coach
- Stan Drayton · Penn State 2025 · him DC, them Position
- Terry Smith · Penn State 2025 · him DC, them Head coach, Other, Position
- Ty Howle · Penn State 2025 · him DC, them OC, Position
- Anthony Poindexter · Tennessee 2026 · him DC, them DC, Position
- Derek Jones · Tennessee 2026 · him DC, them Position
- Jim Chaney · Tennessee 2026 · him DC, them Analyst
- Joey Halzle · Tennessee 2026 · him DC, them OC, Position
- John Bonamego · Tennessee 2026 · him DC, them Analyst
- Josh Heupel*+ · Tennessee 2026 · him DC, them Head coach
- William Inge · Tennessee 2026 · him DC, them Position
- Willie Martinez · Tennessee 2026 · him DC, them Position