The Bishops took an early 10-5 lead on a 3-pointer by junior post Ben Chojnacki less than 2 minutes into the game and still led, 12-8, on Chojnacki's lay-in with 16:55 left in the first half.
Robert Morris, ranked fourth in the NAIA national poll, scored the next 9 points, with Reggie George starting the run off with a dunk, Freeman Taylor scoring a pair of buckets and Jerome Harper sinking a 3-pointer to give the Eagles a 17-12 lead.
Ohio Wesleyan answered with a pair of jumpers by sophomore post Jesse Jean, a 3-point play by freshman wing Kyle Holliday and Cafarella's 8 straight points to take a 27-17 lead with 11:38 left in the first half.
The Bishops still led, 48-36, on a 3-pointer by junior wing Ted Uritus with 1:45 left in the first half, but Robert Morris finished off the half with a 9-0 burst that included a 3-pointer by James Parker and 2 baskets by George. The Eagles then took the lead by opening the second half with a pair of baskets by Taylor for a 49-48 advantage less than 2 minutes into the period.
Chojnacki hit a pair of baskets to tie the game at 52-52 with 17:24 remaining, but Harper sank a pair of 3-pointers to put the Eagles ahead to stay.
Ohio Wesleyan closed to within 60-56 on Jean's lay-in with 12:42 left, but Robert Morris broke the game open with a 17-2 run that featured 2 more 3-pointers by Parker.
Chojnacki led the Bishops with 18 points. Holliday finished with a season-high 14, Jean added 13 and Cafarella finished with 10. Holliday led the Bishops with 6 rebounds and junior guard Matt Shirer and senior guard Ross Rybarczyk shared the team lead with 5 assists apiece.
Taylor led Robert Morris with 19 points and 8 rebounds. Harper scored 16 points and dished out a team-high 7 assists, Anthony Smith scored 15 points and George added 13 points.
Chojnacki represented the Bishops on the all-tournament team.