Though not their greatest need, the Chargers do need to add a quarterback or two to their roster behind Philip Rivers. Right now, the depth chart is bare behind No. 17. The team's backup for the past five years, Billy Volek, is a strong candidate to return, though there is some chatter he'd like to go elsewhere to compete for a starting job. San Diego management could be willing to pay a little more than it would like to keep Volek with the Bolts, however, as the Chargers want somebody who is comfortable with the offense that the coaching staff won't need to devote too much time to when the lockout ends.
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