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).
Irish's Brian Kelly is 3rd man to win AP Coach of the Year award twice
Brian Kelly has been named the AP's Coach of the Year after leading Notre Dame to an undefeated season and a spot in the College Football Playoff.
Elon promotes defensive coordinator Tony Trisciani to head coach
Elon has promoted defensive coordinator Tony Trisciani to head coach, replacing Curt Cignetti who left to take over at James Madison.
Notable bets: Bettor loses $569,000 on Seahawks
Think you had a bad weekend? At least you didn't lose over half a million dollars on the Seattle Seahawks, like one bettor. Here are the notable bets.
Why Josh Jacobs is Alabama's most unlikely star
Josh Jacobs wasn't on Alabama's radar until the end of the recruiting cycle. Now, he may be one of the most important players on the team.
Recruiting progress reports for first-year coaches heading into signing day
Jimbo Fisher has things rolling at Texas A&M. Chip Kelly hasn't been so lucky at UCLA. How are other first-year coaches doing heading into signing day?
Josh Heupel, Brian Kelly, Nick Saban are finalists for AP coach of year
UCF's Josh Heupel, Notre Dame's Brian Kelly and Alabama's Nick Saban are the three finalists for The Associated Press national college football Coach of the Year award.