Naji Marshall made a 3-pointer with 4.5 seconds left to lead Xavier to a 66-63 win over Georgetown on Sunday.
On the subsequent possession for the Hoyas, Terrell Allen missed a 3-pointer, allowing the Musketeers to hang on for the victory.
Marshall had 20 points and 10 rebounds to lead the Musketeers. Tyrique Jones had 18 points, 12 rebounds and five steals for Xavier (19-10, 8-8 Big East Conference).