Roberson sends Illinois St. past Missouri St. 21-7
Illinois State (7-0, 4-0 Missouri Valley), opening a season with seven straight wins for the first time since 1932, remained tied atop the conference standings with top-ranked North Dakota State, the only MVFC team not on its schedule.
Trailing 7-6 in the fourth quarter, the Redbirds rallied behind Roberson, who ran 7 yards for a score and threw 2 yards to James O'Shaughnessy for another.
The ninth-ranked FCS Redbirds, averaging 42.2 points, were up only 6-0 at halftime on Roberson's 28-yard pass to Scott Kuehn.
Marshaun Coprich rushed for 148 yards on 31 carries for Illinois State.