Defensive pass game coordinator and defensive backs coach Al Harris was considered to be a prime candidate to leave for a promotion elsewhere. After turning the Bears' secondary into the league's premier ballhawking unit, Harris became a highly sought-after coach to get a defensive coordinator gig. Graham has been the Las Vegas Raiders' defensive coordinator for the past three seasons, giving him more experience in that role. So, the team is playing it safe this time around and has given defensive play-calling duties to Saleh and offensive play-calling duties to offensive coordinator Brian Daboll. Harris may understandably not want a defensive coordinator job without play-calling duties.