He threw only one pass while mainly serving as the team 's holder .
QB Kellen Clemens -- A valuable resource for Philip Rivers from the sideline , the veteran passer saw limited action in 2016 .
Kellen Clemens threw only one pass while mainly serving as the team 's holder .
QB Kellen Clemens -- A valuable resource for Philip Rivers from the sideline , the veteran passer saw limited action in 2016 .