Rivers hooked up with Danario Alexander and Antonio Gates for scoring strikes as the Chargers (7-9) wrapped up the 2012 campaign with three wins in their final four games.
The Chargers missed the post-season for the third consecutive season, however, which is expected to lead to the firing of Coach Norv Turner.
Denarius Moore and Darrius Heyward-Bey were on the receiving end of Pryor's scoring tosses.
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