The win was the first home conference victory for the Patriots (10-17, 3-10 Atlantic-10), and first in their building since an 80-77 win over Penn on Jan. 2. The loss was the second in six games for the Spiders (18-10, 8-5) since losing leading scorer Cedrick Lindsay for the season.
The win did not come easy for the Patriots, who have lost eight games they led at halftime. Erik Copes made a layup to open the second half and give George Mason its biggest lead of the game at 39-16. But Kendall Anthony, who missed 10 of his 12 first-half shots, made five 3-pointers and scored 17 points over the next 8 minutes as the Spiders cut the deficit to single digits.
Richmond would draw to within 55-50 on a runner in the lane by ShawnDre' Jones with 5:15 remaining, but George Mason answered with a 7-0 run capped by a jumper by Patrick Holloway at 2:30 and the Spiders would draw no closer than seven the rest of the way.
Richmond struggled early, missing 15 of their first 20 shots, including 8 of 9 3-point attempts, as the Patriots built a 23-11 lead with 5:21 remaining in the first half. George Mason shot 59 percent in the half and would use a 12-0 run to push the margin to 37-16 at halftime. The Spiders shot 24 percent in the half and went scoreless over the final 4:15.
Wright, who was honored before the game for eclipsing 1,500 career points, hit 7 of 10 shots to continue his hot shooting of late. The redshirt senior guard is shooting 58 percent from the field over the last seven games.
The Patriots shot 56 percent for the game.
Anthony had 23 points on 9-of-24 shooting for Richmond.