Davis finished with 271 yards passing for the Redbirds (2-0). Robinson ran for 184 yards and Markel Smith ran for 65 yards and a score and caught a 60-yard touchdown pass.
Robinson capped a 70-yard drive with a short scoring run early in the second quarter and Smith ran one in just before halftime to give the Redbirds a 14-6 lead.
Davis threw a 12-yard touchdown to Tylor Petkovich early in the third quarter and a 60-yard strike to Smith midway through the fourth, stretching it to 28-13. Late in the game, Robinson broke for a 57-yard scoring run on first down, taking it to 35-13 with 2:48 left.
The Redbirds win marks the seventh FCS victory over an FBS team this season.
K.J. Carta-Samuels threw for 142 yards and two touchdowns for the Rams (1-3).
Fired Baylor coach Briles lands Texas HS job
Art Briles was fired in the wake of Baylor's sexual assault scandal in 2016.
Michigan lands in-state ESPN 300 DE McGregor
Defensive end Braiden McGregor is the No. 26-ranked prospect in the 2020 class.
Revisiting the 2016 class: Recruits who had the biggest impacts
We look back fondly to the Class of 2016. Here are the prospects who rose to the top and had huge impacts for their respective teams.
Banned Clemson duo lose appeals, out for '19
The NCAA denied appeals by Clemson TE Braden Galloway and OL Zach Giella after the two tested positive for ostarine in December 2018. They will not be able to play next season.
Georgia QB Mathis has cyst removed from brain
Georgia quarterback D'Wan Mathis is expected to make a full recovery after undergoing surgery Thursday to remove a cyst from his brain.
AD Bjork leaves Ole Miss for Texas A&M job
Ross Bjork, who had served as Ole Miss' athletic director for the past seven years, has been named athletic director at Texas A&M. Bjork replaces Scott Woodward, who left for the same role at LSU in April.