CARBONDALE, Ill. (AP) Freshman Isaiah Davis rushed for 150 yards and three touchdowns, quarterback Mark Gronowski added 103 yards on the ground and two scores, and South Dakota State rushed for 392 yards in a 44-3 victory over Southern Illinois on Saturday.

Davis highlighted a 24-0 third quarter with a 45-yard touchdown run up the middle. He also had two short scoring runs of 1 and 3 yards, and reached the century mark for the second time this season.

Gronowski was also 7-of-11 passing for 63 yards for South Dakota State (4-1). Jordan Meachum added 88 yards on the ground and Jefferson Lee V had 45.

Joshua Manchigiah had an interception for the third week in a row as No. 6 South Dakota State forced No. 5 Southern Illinois into four turnovers. Don Gardner picked off a pass on the first play from scrimmage in the second half, and Logan Backhaus made his ninth career interception.

Four different players attempted a pass for Southern Illinois (4-2), combining for 14-of-25 passing for 92 yards and three interceptions.

It was the first time this season South Dakota State did not score on its opening drive of the game after its 43-yard field goal attempt was blocked.

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