Coaches
Ryan Walters
His career from Wikipedia, each job checked against the team-season pages (✓ = a second source agrees, ≠ = they disagree)
Ryan Walters
Played at Colorado 2004-2008 · alma mater (CFBD): Colorado
Source: Wikipedia, read 2026-10-26
| Years | Team | Role | Title | Head coach |
|---|---|---|---|---|
| 2009 | Colorado | Other | SA | Dan Hawkins |
| 2010 | Arizona | GA | GA | Mike Stoops |
| 2011 | Arizona | Position | DB | Mike Stoops (2011), Tim Kish (2011) |
| 2012 | Oklahoma | GA | GA | Bob Stoops |
| 2013 | North Texas | Position | CB | Dan McCarney |
| 2014 | Memphis | Position | CB | Justin Fuente |
| 2015 | Missouri | Position | S | Gary Pinkel |
| 2016-2017 | Missouri | DC | co-DC/S✓ | Barry Odom* |
| 2018-2020 | Missouri | DC | DC/S✓ | Barry Odom* (2018-2019), Eli Drinkwitz*+ (2020) |
| 2021-2022 | Illinois | DC | DC✓ | Bret Bielema* |
| 2023-2024 | Purdue | Head coach | Head coach✓ | himself |
| 2025- | Washington | DC | DC✓ | Jedd Fisch* |
Record
Confirmed coordinator seasons since 2005. FBS rankings
| Season | Team | Job | EPA/play | Points/poss. | Success | Year before | Teams |
|---|---|---|---|---|---|---|---|
| 2016 | Missouri | Co-defensive coordinator | 81 | 66 | 87 | 10 | 128 |
| 2017 | Missouri | Co-defensive coordinator | 79 | 83 | 56 | 81 | 130 |
| 2018 | Missouri | Defensive coordinator | 46 | 46 | 41 | 79 | 130 |
| 2019 | Missouri | Defensive coordinator | 7 | 14 | 3 | 46 | 130 |
| 2020 | Missouri | Defensive coordinator | 103 | 104 | 95 | 7 | 127 |
| 2021 | Illinois | Defensive coordinator | 77 | 33 | 91 | 116 | 130 |
| 2022 | Illinois | Defensive coordinator | 3 | 1 | 3 | 77 | 131 |
| 2025 | Washington | Defensive coordinator | 19 | 32 | 29 | 50 | 136 |
| 2026 | Washington | Defensive coordinator | 30 | 44 | 48 | 19 | 138 |
| Season | Head coach at | Record | AP before → after | Off EPA/play | Def EPA/play | SP+ | Team year before | Teams |
|---|---|---|---|---|---|---|---|---|
| 2023 | Purdue | 4-8 | - → - | 97 | 81 | -7.3 | 57% wins | 133 |
| 2024 | Purdue | 1-11 | - → - | 123 | 134 | -16.2 | 33% wins | 134 |
Worked under
- Dan Hawkins · Colorado 2009 (Other)
- Mike Stoops · Arizona 2010-2011 (GA, Position)
- Tim Kish · Arizona 2011 (Position)
- Bob Stoops · Oklahoma 2012 (GA)
- Dan McCarney · North Texas 2013 (Position)
- Justin Fuente · Memphis 2014 (Position)
- Gary Pinkel · Missouri 2015 (Position)
- Barry Odom* · Missouri 2016-2019 (DC, Position)
- Eli Drinkwitz*+ · Missouri 2020 (DC, Position)
- Bret Bielema* · Illinois 2021-2022 (DC)
- Jedd Fisch* · Washington 2025-2026 (DC)
His tree
Coaches who were on his staffs
On his staffs · 5
- Graham Harrell · Purdue 2023-2024 (OC, Position)
- Kevin Kane · Purdue 2023-2024 (DC, Position)
- Matt Mattox · Purdue 2023 (Position)
- Seth Doege · Purdue 2023 (Position)
- Jason Simmons · Purdue 2024 (OC)
Coached together
- Brian Cabral · Colorado 2009 · him Other, them Position
- Bush Hamdan · Colorado 2009 · him Other, them GA
- Dan Hawkins · Colorado 2009 · him Other, them Head coach
- Denver Johnson · Colorado 2009 · him Other, them Position
- Eric Kiesau · Colorado 2009 · him Other, them OC
- Greg Brown · Colorado 2009 · him Other, them Position
- Lee Marks · Colorado 2009 · him Other, them Strength
- Ron Collins · Colorado 2009 · him Other, them DC
- Bill Bedenbaugh · Arizona 2010 · him GA, them OC, Position
- Frank Scelfo · Arizona 2010-2011 · him GA, Position, them Position
- Greg Brown · Arizona 2010 · him GA, them DC
- Mike Stoops · Arizona 2010-2011 · him GA, Position, them Head coach
- Seth Littrell · Arizona 2010-2011 · him GA, Position, them OC, Position
- Tim Kish · Arizona 2010-2011 · him GA, Position, them DC, Head coach, Position
- Joe Salave'a · Arizona 2011 · him Position, them Position
- Robert Anae · Arizona 2011 · him Position, them Other, Position
- Bob Stoops · Oklahoma 2012 · him GA, them Head coach
- Cale Gundy · Oklahoma 2012 · him GA, them Other, Position
- Jay Norvell · Oklahoma 2012 · him GA, them OC, Position
- Joe Jon Finley · Oklahoma 2012 · him GA, them GA
- Josh Heupel*+ · Oklahoma 2012 · him GA, them OC, Position
- Mike Stoops · Oklahoma 2012 · him GA, them DC, Other, Position
- Tim Kish · Oklahoma 2012 · him GA, them Position
- Dan McCarney · North Texas 2013 · him Position, them Head coach
- John Skladany · North Texas 2013 · him Position, them DC
- Mike Canales · North Texas 2013 · him Position, them OC, Other, Position
- Nick Quartaro · North Texas 2013 · him Position, them Other, Position
- Barry Odom* · Memphis 2014 · him Position, them DC, Position
- Brad Cornelsen · Memphis 2014 · him Position, them Position
- Darrell Dickey · Memphis 2014 · him Position, them OC, Position
- Holmon Wiggins · Memphis 2014 · him Position, them Position
- Justin Fuente · Memphis 2014 · him Position, them Head coach
- A. J. Ricker · Missouri 2015 · him Position, them Position
- Barry Odom* · Missouri 2015-2019 · him DC, Position, them DC, Head coach, Position
- Gary Pinkel · Missouri 2015 · him Position, them Head coach
- Josh Henson · Missouri 2015 · him Position, them OC, Position
- DeMontie Cross · Missouri 2016-2017 · him DC, Position, them DC
- Greg Brown · Missouri 2016 · him DC, Position, them Position
- Joe Jon Finley · Missouri 2016-2018 · him DC, Position, them Position
- Joey Halzle · Missouri 2016 · him DC, Position, them Analyst, Other
- Josh Heupel*+ · Missouri 2016-2017 · him DC, Position, them OC, Position
- Brian Odom · Missouri 2017-2018 · him DC, Position, them Position
- Brad Davis · Missouri 2018-2019 · him DC, Position, them Position
- Derek Dooley · Missouri 2018-2019 · him DC, Position, them OC, Position
- Garrick McGee · Missouri 2018-2019 · him DC, Position, them Analyst, Position
- Ted Monachino · Missouri 2018 · him DC, Position, them Analyst
- David Gibbs · Missouri 2019-2020 · him DC, Position, them Position
- Michael Scherer · Missouri 2019 · him DC, Position, them GA
- Tony Petersen · Missouri 2019 · him DC, Position, them Analyst
- Bush Hamdan · Missouri 2020 · him DC, Position, them Position
- Casey Woods* · Missouri 2020 · him DC, Position, them Other, Position
- Charlie Harbison · Missouri 2020 · him DC, Position, them Other, Position
- Curtis Luper · Missouri 2020 · him DC, Position, them Position
- D. J. Smith · Missouri 2020 · him DC, Position, them Position
- Eli Drinkwitz*+ · Missouri 2020 · him DC, Position, them Head coach
- Aaron Henry · Illinois 2021-2022 · him DC, them Position
- Bret Bielema* · Illinois 2021-2022 · him DC, them Head coach
- George McDonald · Illinois 2021-2022 · him DC, them Other, Position
- Kevin Kane · Illinois 2021-2022 · him DC, them Other, Position
- Terrance Jamison · Illinois 2021-2022 · him DC, them Position
- Tony Petersen · Illinois 2021 · him DC, them OC, Position
- Barry Lunney Jr. · Illinois 2022 · him DC, them OC, Position
- Courtney Messingham · Illinois 2022 · him DC, them Analyst
- Graham Harrell · Purdue 2023-2024 · him Head coach, them OC, Position
- Kevin Kane · Purdue 2023-2024 · him Head coach, them DC, Position
- Matt Mattox · Purdue 2023 · him Head coach, them Position
- Seth Doege · Purdue 2023 · him Head coach, them Position
- Jason Simmons · Purdue 2024 · him Head coach, them OC
- Brian Odom · Washington 2025-2026 · him DC, them Position
- Jedd Fisch* · Washington 2025-2026 · him DC, them Head coach
- Jimmie Dougherty · Washington 2025 · him DC, them OC, Position
- Matt Cavanaugh · Washington 2026 · him DC, them Analyst
Played together
- Nick Holz · Colorado 2004-2006
- Cody Hawkins · Colorado 2006-2008