Dan Trist had 13 points and Ptasinski pitched in 11 points for Lafayette (11-5, 3-2 Patriot).
Andre Walker had 17 points for Loyola (6-10, 2-3) on just 4-of-12 shooting from the field but hit all eight of his free throw attempts. Tyler Hubbard made a four of his 3-pointers and had 14 points. Eric Laster added 13 and five rebounds and Cam Gregory pulled down 11 boards.
Tied at 37 going into the second half, Loyola took a quick five point lead only to be countered by eight straight Leopards points coming from Hinrichs.