... a 38-28 loss to the Pittsburgh Steelers, Chargers GM A.J. Smith and defensive coordinator Ron Rivera have hinted at some major changes to come with the defensive lineup.

Be it through trades, demotions, or shuffling responsibilities, it seems like something big could be looming on the horizon. The trading deadline is Oct. 20, and all signs point toward some sort of major shake-up before then.

At this point, there are improvements that could be made at nearly every position, but here is an analysis of which Chargers defenders will need to step up most in order to keep their jobs:

Bleacher Report - NFL