Senior point guard Xavier Thames scored a career-high 29 points as
The score was tied at 53-53 with 3 minutes 25 seconds left at Honda Center, but then the Aztecs (5-1) went on a 14-4 run to knock off their second top-25 opponent in two games.
Thames, who was selected the tournament's most valuable player, made seven of 16 shots, including five of six three-point attempts. He also made six of his 10 free throws in the final 40 seconds to secure the victory, which came two days after he had scored 26 points in San Diego State's 86-80 win over No. 20 Creighton.
Josh Davis had a game-high 11 rebounds for the Aztecs and joined Thames on the all-tournament team.
Deonte Burton scored 15 points to lead Marquette (5-3), which lost to its second unranked opponent in a week.
George Washington 60, No. 20 Creighton 53: Isaiah Armwood limited the Bluejays'