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.
With intel from NBA GMs, Chad Ford checks in with the draft tiers rankings. See how all the top prospects shake out in the eyes of NBA teams.
NBA draft prospect Kris Dunn is excited to see Game 7 between the Cavaliers and the Warriors, he breaks down the constant comparison between LeBron James and Steph Curry and looks forward to playing with or against some of these guys next season.
Arizona's success on the court has forced the Wildcats to regularly sign large classes, and 2017 is shaping up to be more of the same.