Although Duke lead for most of the game, the Cavaliers surged ahead for the win.
For the third straight year, Duke was knocked off by Notre Dame in the ACC tournament semifinals after winning the regular season matchup.
Despite opening action at the Old North State Club with a scintillating 17-under-271, No. 9 Duke ended ACC tournament action in fourth place.
The No. 29 recruit in the Class of 2019, Stanley joins Vernon Carey Jr., Matthew Hurt, Wendell Moore and Boogie Ellis in the Blue Devils' star-studded incoming class.
Duke will look to get back to winning the draw, which it failed to do for the first time this season against the Fighting Irish.
The potent Eagles offense, ranked No. 2 in the country with 17.6 goals-per-game, exploded on a 11-2 run—including seven straight goals—to bury No. 13 Duke 20-12 Saturday afternoon at Newton Campus Fields in Newton, Mass.
The contest started with the two sides exchanging goals and neither side holding the lead after the first six goals.