By Connor J. Byrne

This offseason, most of the focus in San Diego has regarded the Chargers' new starting quarterback, Philip Rivers, who is set to take over for former Pro Bowler Drew Brees. Because the team is on the hook for Rivers' enormous salary, they were forced to let Brees, an unrestricted free agent, sign a $60 million deal with the New Orleans Saints .

Undoubtedly, one of the Chargers' biggest areas of concern entering the season is their secondary. Last season, San Diego's defense finished a paltry 28th against the pass, as opposing offenses exploited the Bolts' obvious weakness.