Phillip Rivers: San Diego Chargers QB optimistic with Ken Whisenhunt as OC

By Jay Paris, The Sports Xchange SAN DIEGO, Calif. -- As the San Diego Chargers prepare for their preseason opener at Tennessee Saturday (8 p.m. ET), quarterback Philip Rivers is thrilled that Ken Whisenhunt has returned as the offensive coordinator, a role he last had with the Chargers in 2013.

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