Zach Mettenberger completed 16-of-32 passes for 251 yards and a touchdown as the Tigers (1-0) got off to a winning start to the 2013 season after ending last season with a 25-24 loss to Clemson in the Chick-fil-A Bowl.
Waymon James and B.J. Catalon each logged rushing touchdowns for the Horned Frogs (0-1).
TCU also had ended last season on a losing note, 17-16 to Michigan State in the Buffalo Wild Wings Bowl.
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