After Radim Vrbata of the Coyotes answered Rich Peverley's shootout score, Aucoin notched the game-winner with a wrist shot that bounced off in the right post and into the back of the net, giving Phoenix its fifth straight win.
The Thrashers, who lost their sixth straight, got a goal and an assist each from Nik Antropov and Maxim Afinogenov. Ondrej Pavelec saved 32-of-34 Coyotes shots in the loss.
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