Trailing 37-36 with 14:07 left to play, Robert Morris scored 13 unanswered points, capped by McFadden's layup to go ahead 49-37 with 9:04 remaining.
Shane Gibson's layup with 1:27 left cut Robert Morris' lead to three, 62-59, but the Colonials made four free throws in the final minute while the Pioneers converted just one field goal to seal the victory.
Robert Morris shot just 34.6 percent (9 of 26) in the second half but made 18 free throws in the period compared to Sacred Heart's 11.
Gibson led the Pioneers (5-11, 3-2) with 27 points and six rebounds.
Definitely not inspired by any popular TV shows, we looked up the best moments a team came back from the dead.
The guard prospect was one of the top players at the annual Spiece Run N Slam event.
SMU has signed a second player from Australia, 6-foot-11 forward Harry Froling, to a national letter of intent. The Mustangs previously signed guard Tom Wilson from Australia.