The Mocs (6-4, 4-4 Southern Conference) began the game-winning drive on The Citadel 9-yard line after a career-long 53-yard punt return by Joel Bradford.
Coleman was 39-for-61 with 356 yards and three touchdowns and Cooper finished with 139 yards and two TDs on 14 carries for Chattanooga.
The Mocs had 12 tackles for a total loss of 41 yards, holding The Citadel to 91 yards rushing. Steven Smigelsky led the Mocs with 11 tackles, including two for a loss and a sack.
Edwards finished with 214 yards and three TDs on 21-of-37 passing and Roberts caught 10 passes for 107 yards and two TDs.
Missouri vs. Kentucky: Battle in the trenches
Kentucky's Mark Stoops and Missouri's Eliah Drinkwitz praise each other while respecting the ability of the opposing team.
Kentucky should be undefeated, Auburn winless
SEC Now's Roman Harper believes Arkansas is a tough matchup for everyone while Matt Stinchcomb thinks Kentucky should be undefeated and Auburn should be winless.
Graham Mertz rewrites Wisconsin football record book in debut as starter
Graham Mertz, a redshirt freshman named the starter after Jack Coan was injured in practice, broke the Wisconsin program record for completion percentage in a 45-7 win over Illinois.
Jacksonville State gets 1st FCS victory over FBS team this season
Jacksonville State beat Florida International 19-10 on Friday night for the first FCS victory over an FBS team this season.
Graham Mertz slings 5 TDs in dominant Wisconsin win
In his first career start, Wisconsin Badgers quarterback Graham Mertz completes 20-of-21 passes for 248 yards and 5 touchdowns as the Badgers take down the Illini 45-7.
Alabama Crimson Tide's Nick Saban concedes defense is no longer key to victory
Even though he doesn't like it, Alabama football coach Nick Saban conceded Friday that a good defense no longer regularly beats a good offense in the college football ranks.