Rinehart ran across the field toward the locker room midway through the quarter. He was replaced by Rich Ohrnberger.
The Chargers already are without starting right tackle D.J. Fluker, deactivated with a concussion.
Titans linebacker Moise Fokou suffered a neck burner in the first quarter, but he was on the field for the final drive of the first half.
AP NFL website: www.pro32.ap.org
- American Football
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- Tennessee Titans
- Chad Rinehart