Down nine with five minutes remaining, Richmond buckled up defensively and huge plays from redshirt freshman Khwan Fore and senior Trey Davis sparked the Spiders rally en route to the victory.
Richmond hosts Fordham in an A-10 rematch on Saturday at 6 p.m.
Richmond Spiders athletics will be hosting a watch party for all fans when the men's basketball team travels to the Siegel Center to play crosstown rival VCU next Friday, February 19th.
For the second straight game, the University of Richmond men's basketball used a stifling defensive to come away with a victory. This time, the Spiders held Saint Louis under 35-percent from the field en route to a 67-53 road victory over the Billikens.
For the third time in the last five home games, the Spiders will play in front of a sold out Robins Center on Saturday.
The Spiders travel to play the Billikens on Wednesday night at 8 ET on MASN2.
Richmond will host a Red Out on Feb. 24 vs. George Washington.
The Spider Sportsline with Coach Chris Mooney airs Monday 5:30-6:30pm from Joe's Inn Bon Air.
Spiders held UMass to season-low 30.4 percent from the field.
Saturday marks the team's annual Pink Day for Breast Cancer Awareness.
Richmond (11-10, 3-6) pulled to within one possession in the final seconds, but could not overcome George Mason (8-14, 2-7), 78-74, on Wednesday night at the Robins Center.
Richmond faces George Mason on Wednesday night at 7 p.m.