Gillespie is a Fifth Year Senior for Villanova who was named the 2022 Big East Player of the Year, and was a unanimous First Team All Big East selection along with the Big East Scholar Athlete of the Year. Gillespie led Villanova to a 23-7 regular season record while averaging 16 points, 4 rebounds and 3 assists per game. In 2021 Collin was named co-BIG EAST Player of the Year and a first team All-BIG EAST choice he was also a finalist for the Bob Cousy Award honoring the nation's top point guard and a Second Team Senior CLASS All-American.