FAU led 33-29 at halftime before Massey scored nine points during 20-4 spurt to open the second half. Warner committed three turnovers and made 2 of 9 field goals during the run, which put the game out of reach.
Warren Hall and Bladimyr Santiago scored 15 points apiece for Warner.
FAU controlled the glass, out-rebounding Warner 40-27 and pulled down 13 offensive rebounds on just 23 missed shots. The Owls made more free throws (20) than Warner attempted (18).