Duquesne (5-2) opened the scoring with a 9-yard touchdown pass from Rombach to Hocker with 9:38 left in the first quarter. The touchdown capped a six-play, 82-yard drive. The key play was a 34-yard pass from Rombach to Conrad Carter on third down, which gave the Dukes a first-and-goal at the nine.
Duquesne put together a 12-play, 46-yard drive on its next possession, ending with a 23-yard field goal by Mark Troyan with 3:07 left in the first quarter.
Duquesne also had a 13-play, 82-yard drive in the second quarter, which stalled at the Robert Morris one.
Robert Morris (3-5) cut the Dukes lead to 10-7 with Myles Russ' 22-yard touchdown run with 2:25 left in the third quarter. The score capped a seven-play, 76-yard drive.
Rombach and Hocker connected again on a 15-yard touchdown pass with 11:12 left in the third quarter. The touchdown capped a five-play, 62-yard drive.
The Colonials had two more possessions in the game, but both ended with interceptions by Norton Randall and Paul Mulbah.
Rombach completed 21 of 32 passes for 247 yards. Hocker caught seven passes for 66 yards. Greg Hough led the Dukes running game with 126 yards on 30 attempts.
Cwalinski completed 14 of 26 passes for 156 yards for the Colonials. Russ rushed for 116 yards on 25 carries.