Askia Booker scored 16 points and Colorado used a 13-0 run in the second half to hold off Dayton, 67-57, to start the Charleston Classic on Thursday.
The Buffaloes (2-0) trailed 37-30 with 14 minutes left when Xavier Johnson got the surge started with 3-point shot. Spencer Dinwiddie put Colorado ahead with a 3-pointer. Johnson added a pair of foul shots and Andre Roberson made a basket for a 43-37 lead.
Johnson finished with 15 points, Josh Scott 13 and Dinwiddie 12 for Colorado. Roberson, third in the country in rebounds last season, had 14 boards to go with six points.
Vee Sanford led Dayton (1-1) with 13 points. Last year's leading scorer for the Flyers, Kevin Dillard, scored all of his 10 points in the second half.
Dayton rallied one final time, tying it 47-all on Dillard's driving bucket. Like last time, Colorado used its long-range shooting touch to respond. Booker hit his second of three 3-pointers to regain the lead and Scott followed with a pair of foul shots.