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.
Jordana Brewster on Paul Walker: 'He was an enormous presence in my life'
Gal Gadot cast as Wonder Woman for 'Batman vs. Superman'