Daye, who finished with 19 points, was fouled driving to the basket after the Pistons stole an inbounds pass with Cleveland holding an 89-88 lead.
Luke Harangody missed a jumper for Cleveland at the buzzer.
Rodney Stuckey, who re-signed with the Pistons last week, scored 15 points in his first action of the preseason.
The Cavaliers defeated the Pistons 91-87 on Friday. Both teams open the regular season Dec. 26. The Pistons play at Indiana, while the Cavaliers host Toronto.