Trailing 17-6 in the fourth quarter, Jeff Sinclair found D.J. Pearson for a 4-yard touchdown to cut Robert Morris' (4-6, 3-4 Northeast Conference) deficit to 17-14. Sinclair finished 11 of 25 for 145 yards and two touchdowns.
Sacred Heart (2-8, 1-6) looked to lock up the victory when they intercepted Sinclair for the fourth time with 4:24 seconds left in the game, but Sinclair responded on Robert Morris' next drive.
After forcing Sacred Heart to punt with 2:57 left, Sinclair capped off an eight-play 82-yard drive finding Groat for 2-yards and the winning touchdown with 35 second left.
Keshaudas Spence led Sacred Heart on the ground with 113 yards on 23 carries.
Robert Morris now leads the all-time series 8-7.
South Carolina football players will wear stickers on their helmets this season to honor the nine people who died in a shooting at Emanuel AME Church in Charleston this past June.
Washington has found its starting quarterback, but coach Chris Petersen said the Huskies will keep that information under wraps until Friday's season opener at No. 23 Boise State.
Joey Counts scored on a 1-yard run on fourth-and-goal with 2 seconds left to give Montana a 38-35 victory over four-time defending FCS champion North Dakota State on Saturday.
Transfer Vernon Adams will be the starting quarterback when Oregon begins its season against Eastern Washington on Sept. 5.
Tim Beckman is threatening legal action after Illinois fired him as football coach Friday amid allegations of influencing medical decisions and pressuring players to play hurt.
LSU offensive coordinator Cam Cameron revealed in a post-practice news conference that he has been treated for prostate cancer but plans to coach this season.