Vick's late 3-pointer stretched the Golden Eagles' lead to 57-52. Hunter Hale made two 3s between a pair of Vick free throws to pull Winthrop to 59-58. Vick sealed it with two more from the line with about two seconds to go.
Darius Allen came off the bench to score 16 points for Tennessee Tech (2-5), which snapped its four-game losing streak. Amadou Sylla added 13 points and nine rebounds.
Russell Jones had 12 points and Hale finished with 11 points for the Eagles (3-3).
Tennessee Tech matches up against Lipscomb at home on Monday. Winthrop plays Pfeiffer at home on Monday.
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