Toledo beats Ball State 45-13 in game with 10 turnovers
The Rockets (5-4, 3-2 Mid-American) scored 21 points in less than 2 1/2 minutes in the first quarter.
Koback opened the scoring with a 19-yard run, seven plays after Willie Ross recovered a fumble.
Ball State (3-7, 2-4) then went three-and-out and the Rockets drove 77 yards in just 45 seconds with the help of a 51-yard pass play. Art Thompkins capped the drive with a 1-yard run.
Plitt threw an 18-yard touchdown pass to Riley Miller, who had 101 yards receiving, early in the second quarter but soon the Rockets made it 28-7 on Koback's 3-yard run that came 10 plays after Zachary Ford intercepted Plitt.
Jameson Vest added his school-record 69th career field goal for a 31-7 lead late in the third quarter.
The teams combined for 968 yards offense.