Klein finished with 230 aerial yards with an interception -- completing 15-of-20 passes -- and rushed for 85 yards for the Wildcats (3-0).
Tramaine Thompson amassed 102 receiving yards with two scores, while Chris Harper had five grabs en route to 78 yards for the victors.
North Texas (1-2) lost despite an efficient performance from Derek Thompson, who went 25-of-28 passing for 208 yards and a touchdown.
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