GW sank just two of its 18 attempts from deep and converted 42.1 percent of its shots from the charity stripe.
The All-Conference Third team nomination came after the big man announced his intention to transfer from the program Monday.
Whitney was selected to the All-Defensive team and Brigham joined the All-Rookie squad.
Taiwo spearheaded the Colonial offense with 17 points and inched toward a double-double with nine rebounds.
The pair are the fourth and fifth players to transfer from the program after three student-athletes left the team in December.
Head coach Chuck Scheinost said he increased the number of events and scheduled a week between each event to account for pandemic-related delays.
The Patriots outscored the Colonials 42-16 down low and outrebounded the squad 42-33.
The 53–49 win was the first A-10 tournament victory for head coach Jamion Christian at GW and every student-athlete on the roster.
If the Bonnies had failed to score in the second half, they still would have topped the Colonials, who could only muster 21 points in the first half and 20 points in the second frame.
The team is slated to end its season on the road with matchups at George Mason Wednesday and St. Bonaventure Friday.