After falling short in the Playoffs, Jim Harbaugh once again faced an offseason filled with changes that needed to be made. The Baltimore Ravens hired Jim Harbaugh's defensive coordinator Jesse Minter as their next head coach after he previously spent time on John Harbaugh's staff. Jim Harbaugh hires rising coaching star Chris O'LearyOn Wednesday Night, Jim Harbaugh found his next defensive coordinator, hiring Western Michigan defensive coordinator Chris O'Leary. Sources: Chargers are hiring Western Michigan defensive coordinator Chris O'Leary as their defensive coordinator. Before his time at Western Michigan and his first tenure with the Chargers, O'Leary spent 6 seasons at Notre Dame.