Bryan Keith Cox Sr. (born February 17, 1968) is an American football coach and former player. He is the assistant defensive line coach for the New York Giants of the National Football League (NFL). He played college football for Western Illinois University, an FCS program that has developed other NFL talent, and received attention for his aggressive style of play. Although Cox was a relatively late fifth-round pick by the Miami Dolphins in the 1991 NFL Draft, he rose to prominence as a standout linebacker during his twelve NFL seasons from 1991 through 2002. He was a three-time pro bowler with the Miami Dolphins, and was also a member of the New England Patriots club that won Super Bowl XXXVI.