Vic Fangio is heading to the Windy City.The hired the former lieutenant to serve as 's defensive coordinator, the team Alexander Barabanov Jersey announced Tuesday. Fangio also interviewed with the .It's a strong hire for the after Fangio helped build San Francisco's defense into a beast over the past four seasons. They tailed off this autumn Ethan Cardwell Jersey , but the Niners ranked second, second and third in points allowed between 2011 and 2013.The hiring of both Fox and Fangio addre ses Chicago's greatest need: Rebuilding a defense that crumbled to pieces over the past two seasons under and former defensive play- Valtteri Pulli Jersey caller .Only the allowed more points per game, with Chicago also allowing the third-most yardage in the NFL in 2014. The have plenty of work to do both in free agency and the draft to infuse talent into a unit that lacks playmakers and depth. Fangio under inherited a Niners defense with a handful of stars Calen Addison Jersey in the making. That won't be the case in Chicago, but this experienced a sistant stands out as an impre sive get for Fox.The latest Podcast , and breaks down the ' historic comeback against the . Find Scott Sabourin Jersey more content on .