Aaron Glenn and the New York Jets are taking a gamble with their defense, as they have hired Brian Duker as their defensive coordinator on Wednesday. The 36-year-old Duker, who spent the previous two seasons as the Miami Dolphins' pass game coordinator and secondary coach, worked under Glenn, then the defensive coordinator, while with the Detroit Lions. During our time in Detroit, Brian consistently demonstrated a high football acumen and an aggressive approach to defense, an official statement from Glenn read.