The focus of the talk around the Bears’ 3-4 makeover has been on who plays end, inside linebacker, nose tackle, outside linebacker. But the Bears were among the NFL’s worst in passing yards allowed and 31st with an average passer rating against of 101.7 — an average higher than Bears quarterbacks reached only three times in 16 games last season.
Over most of the past decade, the Bears have annually invested at least a draft choice and usually some free-agency capital trying to stanch the bleeding in the back end of their defenses, even when those were actually pretty respectable.