Anthony Mosely scored 21 points and Ryan Daly finished with 19 to lead Delaware (5-5), which shot just 40 percent and 4 of 16 from 3-point range.
The Pirates held an eight-point lead (34-26) at the break and pushed it to double digits early in the second following a 3 and a layup from Jones.
The Blue Hens managed to cut it back to 63-56 but never seriously threatened the rest of the night.
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