Augustus Gilchrist scored 21 points, 19 in the second half, to lead South Florida to a 65-58 victory over Davidson in the first round of the Charleston Classic on Thursday night.
South Florida led by as many as 12 points in the second half, but Davidson cut the lead to two with 57.8 seconds to play.
Gilchrist made 5 of 6 free throws in the final 37 seconds to help the Bulls hold on.
South Florida led 28-23 after shooting 36.7 percent from the field.
Davidson shot 30.8 percent from the field and committed 10 turnovers, including five consecutive during a 3-minute sequence in the first half that saw South Florida push out to an 11-point lead, its biggest of the half.