Cory Undlin (born June 29, 1971) is an

American football American football (referred to simply as football in the United States and Canada), also known as gridiron, is a team sport played by two teams of eleven players on a rectangular field with goalposts at each end. The offense, the team with ...

coach who is the defensive passing game coordinator for the

Houston Texans The Houston Texans are a professional American football team based in Houston. The Texans compete in the National Football League (NFL) as a member club of the American Football Conference (AFC) AFC South, South division, and play their home ga ...

of the

National Football League The National Football League (NFL) is a professional American football league that consists of 32 teams, divided equally between the American Football Conference (AFC) and the National Football Conference (NFC). The NFL is one of the ...

(NFL). He previously served as the

defensive coordinator A defensive coordinator is a coach responsible for a gridiron football (American football) team's defense. Generally, the defensive coordinator, the offensive coordinator and the special teams coordinator represent the second level of a team's c ...

for the

Detroit Lions The Detroit Lions are a professional American football team based in Detroit. The Lions compete in the National Football League (NFL) as a member of the National Football Conference (NFC) North Division. The team play their home games at Ford ...

in 2020 and also served as an assistant coach for the

Philadelphia Eagles The Philadelphia Eagles are a professional American football team based in Philadelphia. The Eagles compete in the National Football League (NFL) as a member club of the league's National Football Conference (NFC) East division. The team plays ...

Denver Broncos The Denver Broncos are a professional American football franchise based in Denver. The Broncos compete in the National Football League (NFL) as a member club of the league's American Football Conference (AFC) West division. The team is headquart ...

Jacksonville Jaguars The Jacksonville Jaguars are a professional American football team based in Jacksonville, Florida. The Jaguars compete in the National Football League (NFL) as a member club of the American Football Conference (AFC) South division. The team play ...

Cleveland Browns The Cleveland Browns are a professional American football team based in Cleveland. Named after original coach and co-founder Paul Brown, they compete in the National Football League (NFL) as a member club of the American Football Conference ( ...

New England Patriots The New England Patriots are a professional American football team based in the Greater Boston area. They compete in the National Football League (NFL) as a member club of the league's American Football Conference (AFC) AFC East, East divisio ...

and

San Francisco 49ers The San Francisco 49ers (also written as the San Francisco Forty-Niners) are a professional American football team based in the San Francisco Bay Area. The 49ers compete in the National Football League (NFL) as a member of the league's National ...

Playing career

Undlin attended

California Lutheran University California Lutheran University (CLU, Cal Lutheran, or Cal Lu) is a private university in Thousand Oaks, California. It was founded in 1959 and is affiliated with the Evangelical Lutheran Church in America, but is nonsectarian. It opened in 1960 ...

, where he played football as a

safety Safety is the state of being "safe", the condition of being protected from harm or other danger. Safety can also refer to risk management, the control of recognized hazards in order to achieve an acceptable level of risk. Meanings There are ...

from 1990 to 1994. He had the distinction of being named second-team All-Southern California Intercollegiate Athletic Conference honors in 1993. At Cal Lutheran, he was a teammate and roommate of Ben McEnroe.

Coaching career

College

Undlin began his coaching career at his alma mater California Lutheran as a

linebacker Linebacker (LB) is a playing position in gridiron football. Linebackers are members of the defensive team, and line up three to five yards behind the line of scrimmage and the defensive linemen. They are the "middle ground" of defenders, p ...

s coach from 1998 to 1999. He was promoted to

in 2000, a position he held through 2001, when he moved to

Fresno State University California State University, Fresno (Fresno State) is a public university in Fresno, California. It is one of 23 campuses in the California State University system. The university had a fall 2020 enrollment of 25,341 students. It offers bache ...

. He spent two seasons in 2002 and 2003 as a graduate assistant at Fresno State under head coach

Pat Hill Lawrence Patrick Hill (born December 17, 1951) is an American football coach, former player, and broadcaster. He served as the head football coach at California State University, Fresno, Fresno State from 1997 until his dismissal following the 2 ...

, a former assistant coach with the

under

Bill Belichick William Stephen Belichick (; born April 16, 1952) is an American professional football coach who is the head coach of the New England Patriots of the National Football League (NFL). Additionally, he exercises extensive authority over the Patri ...

New England Patriots

2004 2004 was designated as an International Year of Rice by the United Nations, and the International Year to Commemorate the Struggle Against Slavery and its Abolition (by UNESCO). Events January * January 3 – Flash Airlines Flight 6 ...

, Undlin joined Belichick as a defensive coaching assistant with the

. He was part of the Patriots staff when they won

Super Bowl XXXIX Super Bowl XXXIX was an American football game played between the American Football Conference (AFC) champion New England Patriots and the National Football Conference (NFC) champion Philadelphia Eagles to decide the National Football League ( ...

Cleveland Browns

In 2005, Undlin was hired by the

as a defensive assistant under head coach

Romeo Crennel Romeo Crennel (born June 18, 1947) is a former American football coach, who was the senior advisor for football performance for the Houston Texans of the National Football League (NFL). A former long-time coaching assistant to Bill Parcells, Cre ...

. In 2007, Undlin was promoted to secondary coach and assistant special teams coach. In

2008 File:2008 Events Collage.png, From left, clockwise: Lehman Brothers went bankrupt following the Subprime mortgage crisis; Cyclone Nargis killed more than 138,000 in Myanmar; A scene from the opening ceremony of the 2008 Summer Olympics in Beijing; ...

, Undlin was promoted to defensive backs coach.

Jacksonville Jaguars

2009 File:2009 Events Collage V2.png, From top left, clockwise: The vertical stabilizer of Air France Flight 447 is pulled out from the Atlantic Ocean; Barack Obama becomes the first African American to become President of the United States; 2009 Iran ...

, Undlin moved to the

as a defensive assistant following Crennel's firing in Cleveland. He was promoted to defensive backs coach in 2010, but was fired along with the rest of the staff after the 2011 season.

Denver Broncos

2012 File:2012 Events Collage V3.png, From left, clockwise: The passenger cruise ship Costa Concordia lies capsized after the Costa Concordia disaster; Damage to Casino Pier in Seaside Heights, New Jersey as a result of Hurricane Sandy; People gather ...

, he was hired as a defensive quality control coach for the

, and he was promoted to defensive backs coach in 2013.

Philadelphia Eagles

In January 2015, Undlin was hired by the

as their defensive backs coach. He was retained as the defensive backs coach for the Eagles on January 20, 2016. On February 4, 2018, Undlin was part of the Philadelphia Eagles coaching staff that defeated the New England Patriots, 41-33, in

Super Bowl LII Super Bowl LII was an American football game played to determine the champion of the National Football League (NFL) for the 2017 season. The National Football Conference (NFC) champion Philadelphia Eagles defeated the American Football Conferen ...

Detroit Lions

On January 13, 2020, Undlin was hired by the

as their defensive coordinator under head coach

Matt Patricia Matthew Edward Patricia (born September 13, 1974) is an American football coach who is the senior football advisor and offensive line coach for the New England Patriots of the National Football League (NFL). He has served 15 non-consecutive sea ...

. He missed the team's week 16 game against the

Tampa Bay Buccaneers The Tampa Bay Buccaneers are a professional American football team based in Tampa, Florida. The Buccaneers compete in the National Football League (NFL) as a member club of the league's National Football Conference (NFC) NFC South, South divisio ...

due to

COVID-19 Coronavirus disease 2019 (COVID-19) is a contagious disease caused by a virus, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The first known case was COVID-19 pandemic in Hubei, identified in Wuhan, China, in December ...

protocols. He was fired following the season.

San Francisco 49ers

On February 11, 2021, Undlin was hired by the

as their pass game specialist and secondary coach under head coach

Kyle Shanahan Kyle Michael Shanahan (born December 14, 1979) is an American football coach who is the head coach of the San Francisco 49ers of the National Football League (NFL). He came to prominence as the offensive coordinator for the Atlanta Falcons, wh ...

Houston Texans

On February 14, 2023, Undlin was hired by the

as their defensive passing game coordinator under head coach

DeMeco Ryans DeMeco Ryans (; born July 28, 1984) is an American football coach and former linebacker who is the defensive coordinator for the San Francisco 49ers of the National Football League (NFL). Ryans played college football at the University of Alab ...

References

{{DEFAULTSORT:Undlin, Cory 1971 births Living people American football safeties Cal Lutheran Kingsmen football coaches Cal Lutheran Kingsmen football players Cleveland Browns coaches Denver Broncos coaches Detroit Lions coaches Fresno State Bulldogs football coaches Jacksonville Jaguars coaches National Football League defensive coordinators New England Patriots coaches Philadelphia Eagles coaches Sportspeople from St. Cloud, Minnesota San Francisco 49ers coaches