Ricky Davis scored the first basket of overtime when he followed Dwyane Wade's fastbreak miss with 2:58 left. On the Heat's next possession, Davis sank a 3-pointer that built a 96-91 lead with 2:26 left.
Louis Williams sank two free throws and Miller's fastbreak dunk cut Philadelphia's deficit to 96-95 with 1:26 left. Iguodala's three-point play with 1:08 to go gave Philadelphia a 98-96 edge. After Wade and Shawn Marion missed in close, Miller's basket with 34 seconds left made it 100-96.
Wade scored 33 points for the Heat, who have dropped 26 of their last 27 games. Miami also had a 15-game losing streak from Dec. 25-Jan. 24 that ended when it beat Indiana 98-96 on Jan. 26.
The Sixers used a 10-3 run to grab an 85-83 lead with 5:13 left in regulation. After Wade hit a jumper to tie the score, Louis Williams' fastbreak slam and Iguodala's two free throws gave Philadelphia an 89-85 edge with 2:53 to go.
Wade's two free throws and Udonis Haslem's foul-line jumper tied the score at 89 with 1:32 left. Another jumper by Haslem was answered by two foul shots by Miller with 1:04 showing.
Jason Williams' 3-point attempt from the left corner bounced off the rim shortly before time expired in regulation.
Wade had 17 of his 21 first-half points in the second quarter, but the Sixers led 51-49 at halftime.
Notes: Heat forward Udonis Haslem returned after missing nine games with a sprained left ankle. ... Miami's Dorell Wright left in the third quarter after losing several teeth when he took an elbow to the face. ... The Sixers are off until Wednesday night, when they play host to Orlando.
