Rex Ryan lasted less than two seasons as head coach of the Bills, compiling a 15-16 record in 31 games with Buffalo.
Rob Ryan has been fired by the Saints with their defense on a historically bad track.
Rob Ryan will remain the New Orleans Saints' defensive coordinator, a source confirmed to ESPN NFL Insider Ed Werder.
The New Orleans Saints have begun to make the offseason changes that coach Sean Payton promised earlier in the week as ESPN sources have confirmed the Saints are parting ways with three assistants, including longtime tight ends coach Terry Malone.
Saints defensive coordinator Rob Ryan says his players lost some of their edge this season and started too slowly.
