But Edwards came up 21 points short of defending his Nationwide Series championship as Clint Bowyer clinched his first title in one of NASCAR's three national touring series with a fifth-place finish.
Edwards held off Kyle Busch in a four-lap shootout to the finish to capture his seventh Nationwide victory of the season and 20th of his career.
Busch finished second, Brad Keselowski third and Jason Leffler fourth.
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