The Buffalo Bills formally introduced new defensive coordinator Dennis Thurman on Thursday.

Thurman is no stranger to new Bills head coach Rex Ryan. The pair worked together with the New York Jets, with Thurman serving as the team's defensive backs coach and later defensive coordinator from 2008-14.

Thurman’s 2014 defense allowed the fifth-fewest rushing yards per game (93.1) and finished sixth in the league in total defense (327.2 total yards per game).