phoenix-arizona
All-American
I had it in my mind that the win over UT was Mason's first ever post-season win, but apparently it was not.
gomason.com
Regardless--20 years ago today GMU knocked out UT in the first round of the NIT. I remember that gave very well and remember too going to an extremely crowded Brion's Grille for some victory green beers.

George Mason Takes Out Tennessee, 58-55, In NIT Opener - George Mason University Athletics
March 17, 2004 Box Score FAIRFAX, Va. - Three players scored in double figures for George Mason which won its first postseason game in 18 years Wednesday

Regardless--20 years ago today GMU knocked out UT in the first round of the NIT. I remember that gave very well and remember too going to an extremely crowded Brion's Grille for some victory green beers.