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).
Ex-Colorado, Seahawks player T.J. Cunningham fatally shot in dispute
Former Colorado and Seahawks player Anthony "T.J." Cunningham died Monday after he was fatally shot in a dispute over a parking space.
Former Virginia Tech QB Josh Jackson transferring to Maryland
Former Virginia Tech quarterback Josh Jackson announced Monday night that he is transferring to Maryland, where he is expected to be a frontrunner in the competition for the starting quarterback job.
Tebow to young people: Don't be defined by others
Tim Tebow gives an inspirational answer when asked about his naysayers.
Alabama spring football preview: Tide look to regroup off title loss
The expectations -- winning a national title -- remain the same in Tuscaloosa, despite serious player and coaching turnover. What's next for the Tide this spring?
Trevor Lawrence has Clemson atop quarterback Future Power Rankings
Breaking down which programs have the best outlook at quarterback over the next three seasons.
Vols shuffle staff, name Raiders' Derrick Ansley as new DC
The Tennessee Vols have shuffled their coaching staff and named former Oakland Raiders assistant Derrick Ansley as defensive coordinator and defensive backs coach.