Aaron Devone Glenn (born July 16, 1972) is an American football coach and former cornerback who is the defensive coordinator for the Detroit Lions of the National Football League (NFL). He previously served as the defensive backs coach for the New Orleans Saints from 2016 to 2020 and also served as an assistant coach for the Cleveland Browns. Glenn played 15 seasons in the NFL. During his playing time, Glenn played for the New York Jets, Houston Texans, Dallas Cowboys, Jacksonville Jaguars and New Orleans Saints. He played college football for Texas A&M University. Early years Glenn was born in Humble, Texas. He played youth football in the Humble Area Football League. He attended Nimitz High School in Houston, Texas, where he was a four-year letterman for the Nimitz Cougars high school football team. As a senior, he posted over 1,000 rushing yards, over 200 receiving yards and 7 interceptions. He also lettered in basketball and track Playing career College Glenn originally signed his letter of intent to play college football for the Purdue Boilermakers in 1990. Glenn first attended Navarro College in Corsicana, Texas, where as a sophomore, he won all-conference and junior college All-America honors, after posting two interceptions, 60 tackles, and 15 pass deflections. Glenn then transferred to Texas A&M University, where he played for the Texas A&M Aggies football team in 1992 and 1993. As a junior in 1992, he was the Southwest Conference (SWC) Newcomer of the Year and a first-team All-Southwest Conference selection. As a senior in 1993, he registered 27 tackles, 13 passes defensed and led the nation with a 19.2-yard punt return average, while receiving first-team All-SWC and a consensus first-team All-American honors. In 2000, he was inducted into the Texas A&M Sports Hall of Fame. National Football League New York Jets Glenn was selected by the New York Jets in the first round (12th overall) of the 1994 NFL Draft. He played his first eight seasons in the NFL with the Jets, from to . In 1996, Glenn set the team record for longest interception return with a 100-yard touchdown against the Miami Dolphins. In 2001, he started 12 games, missing 3 contests with a sprained knee. He had 39 tackles and 12 passes defensed (second on the team). Houston Texans Glenn was acquired by the Houston Texans through the 2002 NFL Expansion Draft. He started 16 games at left cornerback,