AUBURN HILLS, Mich. (AP) _ Joe Dumars scored his 18 points in the second half to lead the Detroit Pistons to an 83-78 exhibition victory over the Miami Heat on Friday night.

The Heat led by 17 at the half and 55-36 with 9:22 left in the third only to succumb to the Pistons' furious comeback. Dumars was 5-of-5 from the field, scoring 12 points in a 16-3 Detroit run.

The Pistons cut it to 63-60, on Malik Sealy's 3-pointer late in the quarter. Dan Majerle's 3-pointer helped hold off Detroit for a time.

Miami's lead was back up to 70-62 with nine minutes left, but the Heat was unable to put away the Pistons. Two free throws by Sealy got Detroit a 77-77 tie with 2:02 to go.

After Tim Hardaway missed two free throws, Detroit's Lindsey Hunter drove the lane and was fouled by P.J. Brown.

The two free throws put Detroit ahead with 38.4 seconds left, and on the ensuing possession, Hunter drew a foul. That forced Miami to foul, and Detroit ran out the clock.

Brian Williams, who kept Detroit from being blown out with 14 first-half points, finished with 22 and 12 rebounds. Brown led the Heat with 19 and Hardaway added 18.

Only three Pistons managed to score in the first quarter as Miami built a 37-17 lead.

Miami forced the Pistons into 20 first-half turnovers, and only Brian Williams, Hunter and Jerome Williams were able to score for Detroit in the first 21 minutes.