Winthrop (15-9, 9-4 Big South) led 32-21 at halftime, the ninth straight time the Eagles had a lead on the Blue Hose at the break. Presbyterian scored the first seven points out of intermission and after a 3-point play by Cooks, scored nine straight to take a 37-35 lead. J.C. Younger had nine points in the 16-3 run.
Younger's 3 tied the game midway through the second half but Cooks and Pickett combined for seven straight and Cooks had four more as that turned into a 16-2 run and a 56-42 lead with 4 1/2 minutes to go.
Younger and Reggie Dillard both scored 12 points for the Blue Hose (10-16, 3-10).
Mannion, who recently reclassified and is ESPN's No.11 overall player in the class of 2019, chose Arizona over Marquette.
He'll fit in with Sean Miller's plans for a faster tempo on offense.
Top recruits are starting to take their official visits, meaning it's time to make some predictions about where they're leaning.