DJ Mangas

Daniel J. Mangas (born February 22, 1989) is an American football coach who is currently an offensive aide for the Buffalo Bills.

Mangas played college football at William & Mary from 2007 to 2011, where he was a former walk-on who played wide receiver and also served as the team's emergency quarterback.

Mangas began his career as the quarterbacks coach at Hampden–Sydney College in 2012, and was later the running backs coach at Georgetown. He would return to his alma mater William & Mary in 2014 as their running backs coach on the recommendation of former college teammate and then-William & Mary linebackers coach Joe Brady. He was promoted to offensive coordinator in 2017, and was one of the youngest coordinators in Division I football at 28.

Mangas joined the coaching staff at LSU in 2019, serving as the right-hand man to Brady, who was the Tigers' passing game coordinator.

Mangas followed Brady, who was hired as the offensive coordinator of the Carolina Panthers, and joined him as a coaching assistant.

Mangas was rehired as the passing game coordinator at LSU in 2021, joining Panthers quarterbacks coach Jake Peetz, who was named the Tigers offensive coordinator.

In 2022, Mangas was hired as a defensive analyst at UCF.

On January 14, 2023, Mangas was hired as the offensive coordinator at Buffalo.