Craig Loston returned an interception 100 yards for a touchdown to seal the victory and J.C. Copeland ran for a score as the Tigers (8-2, 4-2 SEC) logged their 13th straight win over the Bulldogs.
LSU posted the victory after falling to top-ranked Alabama last week.
The Bulldogs (7-3, 3-3), meanwhile, dropped their third straight as Tyler Russell was limited to one touchdown pass.
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