Trevaughn Goodman scored on a layup with 5 seconds left as the Panthers stunned the Blue Jays and spoiled their last home game of the season Saturday.
Westminster College had one last chance to pull off a dramatic victory after calling a timeout with :04 to go, but senior guard Collin Caywood's 3-point attempt was off the mark as time expired.
The Blue Jays have now suffered three straight St. Louis Intercollegiate Athletic Conference losses by a combined 11 points. Westminster dropped to 10-13 overall and 9-7 in the SLIAC.
Principia College rallied from a six-point deficit with less than 3 minutes remaining to avenge a 68-47 home loss to the Blue Jays on Jan. 8. The Panthers are now 5-17 on the season and 4-11 in conference play.
Senior forward Romo Tabb connected on 12-of-23 shots Saturday to deliver a game-high 28 points for Westminster, which shot 48 percent (32-of-67) as a team. Senior forward Stu Hollandsworth — who was 11-of-17 from the field — tallied 25 points and junior guard Kobe Wands contributed 10.
Tabb finished off a dazzling double-double by grabbing 11 rebounds to lift the Blue Jays to a 34-30 edge on the boards.
Micah Paulson answered with 27 points to pace four players in double figures for Principia, which shot 47 percent (29-of-62) as a team. Goodman was next with 19 points, Clark Davidson logged 14 and Zack Matters finished with 11.
Westminster travels to SLIAC co-leader Greenville (Illinois) University for a matchup at 7:30 p.m. Wednesday. The Blue Jays outlasted Greenville in a 136-125 shootout Jan. 21 in Fulton.