<p><div class="KonaFilter image-container float_right"><div class="image on-image"><img src="http://static1.businessinsider.com/image/5274155e69bedd447bafe99c-1200-900/philip-rivers-san-diego-chargers.jpg?maxX=480" border="0" alt="philip rivers san diego chargers" width="480" /><p class="source">Jeff Gross/Getty Images</p></div><p></p></div>At the halfway point of the <keyword id="103436" type="ORGANIZATION" weightage="60" keywordseo="NFL">NFL</keyword> season, a few big-time QBs are uncharacteristically struggling.</p>
<p>Tom Brady, RGIII, and Big Ben are all surprisingly low in our QB <keyword id="1882295" type="UNKNOWN" weightage="60" keywordseo="Power-Rankings">power rankings</keyword>.</p>
<p>Our rating is a composite of three advanced stats: <a href="http://www.footballoutsiders.com/stats/qb">defense-adjusted yards</a> (DYAR), <a href="http://www.footballoutsiders.com/stats/qb">total QB rating</a> (QBR), and <a href="http://wp.advancednflstats.com/playerstats.php?pos=QB">win probability added</a> (WPA). Each stat accounts for one-third of the rating.</p>

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NFL QUARTERBACK POWER RANKINGS: Where All 32 Starters Stand Right Now

Jeff Gross/Getty ImagesAt the halfway point of the NFL season, a few big-time QBs are uncharacteristically struggling. Tom Brady, RGIII, and Big Ben are all surprisingly low in our QB power rankings. Our rating is a composite of three advanced stats: defense-adjusted yards (DYAR), total QB rating (QBR), and win probability added (WPA). Each stat accounts for one-third of the rating.

Jeff Gross/Getty ImagesAt the halfway point of the NFL season, a few big-time QBs are uncharacteristically struggling. Tom Brady, RGIII, and Big Ben are all surprisingly low in our QB power rankings.

NFL QUARTERBACK POWER RANKINGS: Where All 32 Starters Stand Right Now

Tony Manfred

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