"They are the defending champions, and we played them as well as anybody,'' said Michael Beasley, who scored 23 with 13 rebounds. "I think if we can play like that in the playoffs, we can make a push for it.''
Jermaine O'Neal had 16 points and nine boards for the Heat.
Dwyane Wade scored 21 of his 31 points in the second half
Miami cut it to 83-82 with 6:39 left when Wade was fouled on a breakaway and hit the free throws.