Lewis made 6 of 8 shots while Udofia had six rebounds. Brian Stafford also scored 12 for the Pioneers (5-1) on 5-of-9 shooting.
Denver led 34-29 at halftime, and by double figures for most of the second half. The Pioneers pushed the lead to 65-45 with 2:20 to play when Udofia made two free throws followed by a back-door wide-open layup.
Denver shot 52 percent from the field and 40 percent from 3-point range. Chase Hallam made three of his four 3-point tries.
ESPN's Dan Dakich joins The Paul Finebaum Show to discuss the SEC's presence in the NBA Draft.
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