Mike Mularkey was 14-18 in two seasons and had three years left on his contract. 
NFL News | Mon, Jun 18
ORCHARD PARK, N.Y. (Jan. 13, 2006) -- Mike Mularkey resigned as coach of the Buffalo Bills following a 5-11 season in which the team missed the playoffs for the sixth straight year.
• Mularkey submits resignation to Bills
• Bills hire Levy as VP of football operations