The Titans (5-4) deployed a balanced offensive attack as six players scored at least 13 points, led by senior reserve guard Greg Rosatelli with 16 points on 6-of-12 shooting from the floor.
Senior guard/forward Dom Joseph and senior guard Nick Adams each scored 15 points.
Joseph posted solid numbers in addition to his 15 points with a game-high 10 rebounds, a team-high five assists and a game-high four steals.
Other double-figure scorers for Westminster were freshman forward Ryne Murray and sophomore forward Steve Bielich with 14 points, respectively, along with junior guard Craig Hannon with 13 points.
Pitt-Greensburg (1-8) shot 52.6 percent (10-19) from 3-point range and 61.4 (35-57) overall. The Titans were 47.8 percent (33-69) from the floor and 37.5 (12-32) from 3-point range.
Matt Rowland led the Bobcats with 17 points as one of five UPG double figure scorers.
The game was played closely early on as no team led by more than five points for the last 13 minutes of the first half. After the Titans took a five-point, 53-48 lead into halftime, Westminster's lead swelled to 12 points (60-48) just two minutes into the second half.
On two occasions for the remainder of the game, the Titans went up by as many as 11 points and saw the Bobcats cut the lead to three points, before Pitt-Greensburg waged within one point with 32 seconds remaining.
Joseph was able to grab a missed Rosatelli foul shot with 19 seconds remaining before knocking down two foul shots with 18 seconds left to secure the win.
Westminster travels to Hanover Thursday at 6 p.m.