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AMES, IOWA (AP) -- Jordan Wynn threw for 325 yards and two touchdowns, Shaky Smithson threw a TD pass and caught another one and No. 10 Utah blew past host Iowa State 68-27

Eddie Wide added three touchdowns for the Utes (5-0, 2-0 MWC), who scored 31 unanswered points in the second quarter and racked up their most points since beating Wyoming 69-14 in 1983.

Smithson, a wide receiver, gave the Utes a 17-14 lead with a 32-yard touchdown pass. Matt Asiata and Wide followed with short TD runs, and Wynn found Smithson for a 61-yard touchdown to make it 38-14 late in the first half.

Reggie Dunn's 100-yard kickoff return for a touchdown pushed Utah's lead to 51-20 midway through the third quarter.

Austen Arnaud had 178 yards passing for Iowa State (3-3, 1-1 Big 12), which has surrendered 106 points in the last two games.

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