Andrade and Durant closed with a 9-under 45 at the par-3 Top of the Rock course, playing nine holes of modified alternate shot and nine of better ball. Durant aced the third hole on the second nine, using a 7-iron on the 167-yard hole.
The winners finished at 19-under 159 in the 54-hole event, opening Thursday with a better-ball 63 on Buffalo Ridge's regulation Springs course and shooting a 51 on Saturday in high wind on the par-3 course.
Sandy Lyle and Ian Woosnam tied for second, three strokes back after a 51. The former Masters champions took a two-stroke lead into the final round.
Larry Nelson and Larry Fleisher won the Legends Division for players 65 and older, beating Jack Nicklaus and Gary Player by two strokes.
Nelson and Fleisher birdied the final hole for a 1-under 26 for nine holes of better ball on the par-3 course. They finished at 12 under in the 45-hole event.
Nicklaus and Player had two birdies in a bogey-free 25.
Paducah's Russ Cochran and England's Roger Chapman teamed up for the event. Cochran and Chapman shot a final round 48 and finished tied for 5th at 14 under.
