Phil Parker

Phil Parker, who served as defensive backs coach at the University of Iowa for 13 seasons, is in his 15th season as defensive coordinator. He returned to coaching Iowa’s defensive secondary in 2013 as well.

Parker was the recipients of both major college football assistant coach of the year awards in 2023: Broyles Award and AFCA Assistant Coach of the Year. He was named by Rivals.com in March 2011, as a first-team member of its College Football Assistant Coach Dream Team.

Parker is the longest tenured defensive coordinator in the nation. He has recruited and coached six Big Ten Tatum-Woodson Defensive Back of the Year honorees since 2012: Cooper DeJean (2023), Riley Moss (2021), Amani Hooker (2018), Josh Jackson (2017), Desmond King (2015) and Micah Hyde (2012). Parker has coached 53 players to All-Big Ten recognition a total 69 times, including 19 players to first-team all-conference 30 times.

Iowa’s defense consistently ranks among the best in the country, ranking in the top 20 in scoring defense each of the last 11 seasons. The Hawkeyes have allowed fewer than 20 points per game the last 10 seasons -- the longest active streak in the country -- and have yielded 400 yards or fewer in 50 of their last 54 games dating back to the 2021 season.

Iowa has held 12 teams without a touchdown since the start of the 2022 season. The unit allowed one touchdown or less in seven games in 2025 and in 29 of the last 53 contests. The Hawkeye defense has recorded at least one pick-six each year Parker has been on staff. The 18-year pick-six streak is the second longest active streak in the country.

Iowa won 27 combined contests the last three seasons, including capturing the Big Ten West Division in 2023 and winning the 2025 ReliaQuest Bowl with a 34-27 triumph over No. 14 Vanderbilt. Iowa has been ranked in the final AP Top 25 six of the last eight seasons, including ranking No. 17 in 2025. The Hawkeyes won nine games in 2025.

The Hawkeye defense finished 2025 ranking in the top 20 nationally in defensive metrics. The Hawkeyes were fifth in first down defense (204), eighth in scoring (15.6), ninth in total (280.4), 10th in passing defense (172.7) and 17th in rushing defense (107.7).

The Hawkeyes ranked fourth nationally in scoring defense (14.8) and passing efficiency defense (102.1), fifth in passing yards per game (170.7), and seventh in total defense (282.5) in 2023.

Iowa’s defense led the way in 2022, including posting just the second shutout in Iowa’s 35 bowl games. The Hawkeyes won eight games, including five of their final six games. The defense led the nation in with seven defensive touchdowns, including two interception return scores in the bowl win. Iowa’s defense was in the top 12 in the nation in scoring defense (second), total defense (second), pass efficiency defense (fourth), passing yards per game (sixth), first down defense (10th), third down defense (11th) and rushing defense (12th).

Iowa’s streak of 13 straight bowl invitations is the longest in school history and its streak of 13 straight winning seasons ranks fifth best among power conferences. The Hawkeyes have earned 37 conference victories between 2020-25, matching its highest six-year conference win total in program history (2019-24).

Over the last 16 years, Iowa has appeared in the following bowl games: Rose, Citrus (twice), Outback/ReliaQuest (four times), Music City (three times), TaxSlayer, Holiday, Insight (twice) and Pinstripe.

The Hawkeyes won 10 games in 2021, winning the Big Ten West Division title and advancing to the conference championship game. Iowa concluded the season with an appearance in the Citrus Bowl and was ranked 23rd in the final national ranking.

Iowa’s defense set a school record and led the nation with 25 interceptions in 2021. The defense ranked among national leaders in takeaways (30, third), defensive touchdowns scored (four, seventh), pass efficiency defense (110.5, sixth), turnover margin (0.8, 11th), rushing defense (114.4, 13th), scoring defense (19.2, 13th) and total defense (328.8, 18th). Linebacker Jack Campbell led the nation with 143 total tackles.

Following back-to-back narrow losses to open the 2020 season, Iowa won its final six games, all in Big Ten play. The winning streak included road wins at Minnesota, Penn State and Illinois, and trophy game victories over Minnesota, Nebraska and Wisconsin. The Hawkeyes were ranked 15th in the final CFP rankings and Coaches Poll, and 16th by the AP. The Hawkeyes were selected to compete in the 2020 Music City Bowl, but that event was canceled.

Iowa won 47 games from 2015-19, the highest total in school history over any five-year period, and a total that ranked ninth nationally. Iowa won its final four games in 2019 and ranked 15th in the final Associated Press and Coaches polls.

Iowa’s defense in 2020 led the nation in allowing opponents just 4.3 yards per play. The Hawkeyes ranked among the national leaders in several additional categories, including scoring (16.0, 7th), pass efficiency defense (110.1, 9th), rushing defense (107.6, 11th), total defense (313.8, 12th), red zone defense (.727, 12th) and interceptions (11, 19th).

The Hawkeyes concluded 2019 with a 10-3 record following a 49-24 rout over No. 22 USC in the Holiday Bowl. The three losses were all to ranked opponents by a combined 14 points. Iowa was 4-1 in trophy games for the third straight season.

The 2019 Hawkeye defense ranked among the top 17 in the nation in scoring defense (5th, 14.0), first downs allowed (9th, 16.6), total defense (12th, 308.2), rushing defense (14th, 112.5), turnover margin (14th, 0.7) and pass efficiency defense (17th, 116.0). Iowa tied for second in the nation in interceptions (20) in 2018 after leading the nation in 2017 with 21.

Iowa completed 2018 with nine wins and a final AP ranking of No. 25. The Hawkeyes earned a 27-22 Outback Bowl win over No. 18 Mississippi State to close the season with three straight wins. The four losses came by a total of 23 points and all were decided in the final minutes of play. Iowa tied for second in the Big Ten West Division.

Iowa tied for second in the nation in interceptions (20) in 2018 after leading the nation in 2017 with 21. Iowa’s 89 thefts between 2014-18 led the nation. The 2019 Hawkeye defense ranked among the top 17 nationally in scoring defense (5th, 14.0), first downs allowed (9th, 16.6), total defense (12th, 308.2), rushing defense (14th, 112.5), turnover margin (14th, 0.7) and pass efficiency defense (17th, 116.0).

Iowa, in 2018, ranked seventh nationally in total defense (293.6), eighth in turnovers gained (27), 11th in scoring defense (17.8) and 12th in rushing defense (109.5). Iowa’s defense was second in the Big Ten in red-zone defense and third in total sacks (35).

The Hawkeye defense led the nation with 21 interceptions in 2017, led by Josh Jackson, who led the nation individually with eight interceptions to match Iowa’s single-season record. Iowa ranked 17th in the nation in scoring defense (19.9) and matched a school record with four interception return touchdowns.

Jackson, in his first year as a starter, also led the nation in passes defended, ranked second in interception return yards and return touchdowns, and ranked fourth in pass break-ups. He had two interception returns for touchdowns and tied Iowa’s single-game record with three interceptions in a 55-24 win over third-ranked Ohio State.

The Hawkeyes ranked 13th in the nation in scoring defense and red zone defense, 19th in pass efficiency defense and 23rd in total defense in 2016.

The Hawkeyes posted a perfect 12-0 regular season record in 2015, winning the Big Ten West Division. Iowa participated in the 2016 Rose Bowl Game and the 2015 Big Ten Championship and ended the season in the top 10 in the final national rankings.

Iowa led the Big Ten and ranked 10th in the nation with 19 interceptions in 2015, with four of those being returned for touchdowns. The Hawkeyes were also among the national leaders in pass break-ups (ninth), turnover margin (11th), turnovers gained (13th) and rushing defense (15th).

Iowa ranked second in the Big Ten and seventh nationally in pass defense in 2014 with a defensive line-up that included three new linebackers and two first-year starters in the secondary.

The Hawkeyes collected eight wins in 2013, including a 5-3 Big Ten record to tie for second in the Legends Division. Iowa earned a spot in the 2014 Outback Bowl behind a defense that ranked among the national leaders in total defense (sixth), first downs allowed (seventh) pass defense (ninth), scoring defense (ninth), pass efficiency defense (17th) and rushing defense (19th).

The defensive secondary played a key role in Iowa’s success in 2010. Iowa was second in the Big Ten in pass efficiency defense (115.1) and interceptions (19). Iowa tied for 11th in the nation in interceptions, returning four thefts for touchdowns.

In 2009, Iowa ranked third in the nation in pass efficiency defense and fourth in pass defense, leading the Big Ten in both categories. The Hawkeyes tied for fifth nationally with 21 interceptions while ranking eighth in scoring defense and 10th in total defense.

In 2008, Iowa ranked fourth in the nation while tying a school record with 23 interceptions. The Hawkeyes led the Big Ten and ranked fifth nationally in pass efficiency defense (98.3) and scoring defense (13.0).

Under Parker’s direction, safety Bob Sanders earned second team All-America honors in 2003 and was taken by Indianapolis in the second round of the 2004 NFL Draft. He earned All-Pro recognition with the Colts in 2005 and was selected to the Pro Bowl. He was a key contributor again in 2006 as the Colts won the Super Bowl. He was named the NFL’s Defensive Player of the Year in 2007 and was again an All-Pro selection.

Parker was the defensive backfield coach at Toledo for 11 seasons prior to joining the Iowa staff. During his tenure at Toledo, Parker coached 10 all-conference selections and helped the Rockets win conference division championships in 1997 and 1998. Three of his Toledo players, Darren Anderson, Clarence Love and Kelly Herndon, went on to play in the NFL. Anderson and Love were NFL Draft selections, while Herndon signed as a free agent and played in the 2006 Super Bowl with Seattle. In 1998, Toledo ranked 19th in the nation in scoring defense.

Toledo won Mid-American Conference championships in 1990 and 1995 and competed in the 1995 Las Vegas Bowl. Toledo ranked 12th in the nation in total defense in 1990 and ninth in pass efficiency defense and 11th in rushing defense in 1992. In 1995 Toledo completed an undefeated season and was ranked 22nd in the final UPI poll and 24th in the CNN poll after leading the nation in turnover margin. Toledo also finished second to perennial power Marshall twice when Parker was a member of the Rocket staff.

Parker served as a graduate assistant coach for one year at Michigan State. He was on the Spartan staff in 1987 when MSU won the Big Ten title and defeated Southern California in the 1988 Rose Bowl.

Parker was a standout defensive back at Michigan State, earning first team all-Big Ten honors in 1983, 1984 and 1985. Parker was named defensive MVP at Michigan State in 1983 and 1985 and was invited to the Hula Bowl following his senior season. During his MSU career the Spartans competed in the 1984 Cherry Bowl and the 1985 All-American Bowl. Parker was named Most Valuable Player in the Cherry Bowl.

Parker earned his bachelor’s degree from Michigan State in 1986.Parker was born March 13, 1963, in Lorain, Ohio. Phil and his wife, Sandy, have two children, Tyler and Paige.

Parker’s Coaching Career
School – Position, Years
Iowa – Defensive Coordinator/Defensive Backs, 2013-present
Iowa – Defensive Coordinator, 2012
Iowa – Defensive Backs, 1999-2011
Toledo – DB, 1988-98
Michigan State – Graduate Assistant, 1987

Coaching Honors 
2023 Frank Broyles Award
2023 AFCA Assistant Coach of the Year,
2023 Football Scoop Top Defensive Coordinator
2022 Frank Broyles Award (semifinalist)
2021 Frank Broyles Award (semifinalist)

Postseason Success
Has helped guide Iowa to 23 bowl appearances in 27 seasons

• 2025 ReliaQuest Bowl
• 2024 Music City Bowl
• 2024 Citrus Bowl
• 2022 Music City Bowl
• 2021 Citrus Bowl
• 2020 Music City Bowl
• 2019 Holiday Bowl
• 2019 Outback Bowl
• 2017 Pinstripe Bowl
• 2017 Outback Bowl
• 2016 Rose Bowl
• 2015 TaxSlayer Bowl
• 2014 Outback Bowl
• 2011 Insight Bowl
• 2010 Insight Bowl
• 2010 Orange Bowl
• 2009 Outback Bowl
• 2006 Alamo Bowl
• 2006 Outback Bowl
• 2005 Citrus Bowl
• 2004 Outback Bowl
• 2003 Orange Bowl
• 2001 Alamo Bowl

• Iowa won three straight bowl games twice (2008-10 and 2017-19)
• Iowa appeared in four straight January bowls, 2002-05; four straight from 2013-16, and 13 overall during his tenure
• Iowa was one of just eight schools in the nation to appear in six January bowl games between 2002-09
• Iowa has earned 13 straight bowl invitations between 2013 and 2025, the longest bowl streak in school history

NFL Draft Highlights
• Five first and second round selections
• 32 NFL Draft selections overall

NFL Honors
NFL Defensive Player of the Year (1)
DB Bob Sanders, Indianapolis, 2007

NFL All-Pro Honors (6)    
LB Jack Campbell (Detroit)
DB Cooper DeJean (Philadelphia)
DB Desmond King (LA Chargers)
DL Mike Daniels (Green Bay)
DB Micah Hyde (Buffalo)
DB Bob Sanders (Indianapolis)

Consensus All-Americans (7)
LB Jay Higgins, 2024
DB/RS Cooper DeJean, 2023
LB Jack Campbell, 2022
DT Daviyon Nixon, 2020
DB Josh Jackson, 2017
LB Josey Jewell, 2017
DB Desmond King, 2015

First Team All-Americans (10)
LB Jay Higgins, 2024 
DB/RS Cooper DeJean, 2023
LB Jay Higgins, 2023 
LB Jack Campbell, 2022 
DB Riley Moss, 2021
DT Daviyon Nixon, 2020 
DB Josh Jackson, 2017 
LB Josey Jewell, 2017 
DB Desmond King, 2016
DB Desmond King, 2015 

National Honors
Three Hawkeye defensive players have earned national Player of the Year honors on four occasions

Jack Campbell, 2022 William V. Campbell Trophy
Jack Campbell, 2022 Butkus Award
Josey Jewell, 2017 Lott IMPACT Trophy
Desmond King, 2015 Jim Thorpe Award

Big Ten Honors
Big Ten Defensive Player of the Year (3)
DT Daviyon Nixon, 2020
LB Josey Jewell, 2017
LB Jack Campbell, 2022

Big Ten Player of the Year, by Position (10)
Jay Higgins, 2024 (linebacker)
Cooper DeJean, 2023 (defensive back)
Jack Campbell, 2022 (linebacker)
Riley Moss, 2021 (defensive back)
Daviyon Nixon, 2020 (defensive line)
Amani Hooker, 2018 (defensive back)
Josh Jackson, 2017 (defensive back)
Josey Jewell, 2017 (linebacker)
Desmond King, 2015 (defensive back)
Micah Hyde, 2012 (defensive back)

Academic Honors
Academic All-America Honors (10)
Aaron Graves, second team Academic All-America, 2024
Quinn Schulte, second team Academic All-America, 2023
Anthony Nelson, second-team Academic All-America, 2018
Anthony Nelson, first team Academic All-America, 2017
Parker Hesse, second team Academic All-America, 2017
Jordan Lomax, second team Academic All-America, 2015
Mark Weisman, second team Academic All-America, 2014
James Morris, NFF National Scholar-Athlete Award, 2013
James Morris, first team Academic All-America, 2013
Adam Shada, first team Academic All-America, 2007
Adam Shada, first team Academic All-America, 2006