Troy (4-5, 2/3 Sun Belt) scored the game's first 14 points and went on to lead 27-14 at halftime. Georgia Southern (5-4, 3-2) closed to within 27-21 on the first play of the fourth quarter when Shai Werts hit Darion Anderson on a 26-yard touchdown pass.
The Trojans responded by scoring touchdowns on their next three possessions. The first came at the end of a 13-play, 75-yard drive when Barker hit Reggie Todd with a 7-yard touchdown pass. Billingsley broke loose for a 70-yard TD run on the first play of the next possession and Trevon Woolfork finished a short drive with a 12-yard run for the third score.
Werts completed 8 of 16 passes for 181 yards and three touchdowns for the Eagles, who had been one of three East Division teams with one conference loss.
The Trojans had 330 yards passing and 273 yards on the ground for a total of 603. Georgia Southern was held to 333 total yards.
Is Arkansas the second-best team in SEC West?
With No. 7 Texas A&M and Arkansas trending in the right direction, the Thinking Out Loud crew breaks down who's the better team in the SEC West.
Why Memphis-UCF was a bad beat
Scott Van Pelt and Stanford Steve explain how UCF's matchup vs. Memphis ended up being a bad beat.
Which college football teams do the most with the least in recruiting?
Which college football teams are the best at turning three-star prospects and under-the-radar recruits into stars?
Big Ten West college football season preview
Wisconsin has advanced to the Big Ten title game six of the past nine years, and although the Badgers are the favorites to make it this season, might there be a dark-horse candidate looking to end their run?
Heisman Watch: Can anyone stop Clemson's Trevor Lawrence?
The Tigers QB remains the clear-cut leader, but Alabama's Mac Jones gives him a run for the top spot. And a quarterback from BYU makes a leap.
With Big Ten returning, college football still faces more of the unknown
College football is a sport governed by tradition and coached by the anal-retentive. But in 2020, it is operating on the fly, and all of us -- coaches, players, officials and fans -- are living at the mercy of a long nasal swab.