American led for all but 1:01 of the game, sweeping the season series from the visiting Raiders and moving into a tie with Lafayette for the No. 4 seed spot in the conference standings.
Andre Ingram led AU with 19 points. Derrick Mercer added 14. Paulius Joneliunas with a game-high 8 rebounds. Joneliunas also had 8 points. AU outrebounded Colgate 38-27.
Alvin Reed, coming off the bench these days, had 14 to lead the 'Gate, which has not beaten anybody not named Army in its past 11 games. The Raiders are 2-9 in that stretch, and have lost four straight since beating Army for the second time.
Kendall Chones, also no longer starting, had 12, as did Kyle Roemer. Jon Simon added 11.