ATLANTA, Oct. 14 (Ticker) -- With the defending champions resting several key performers, the Atlanta Hawks took advantage.

Joe Johnson scored 22 points and Zaza Pachulia added 18 as the Hawks pulled away in the fourth quarter for a 91-81 preseason triumph over the Miami Heat.

Antoine Walker had 17 points and 12 rebounds for the Heat, who played without guards Dwyane Wade and Gary Payton and center Alonzo Mourning.

Trailing, 74-73, after a layup by Wayne Simien with 8:08 remaining, the Hawks broke open the game with a 13-0 run for an 86-74 edge with just 4 1/2 minutes remaining. Marvin Williams started the rally with a three-point play, Josh Childress scored five points during the burst and rookie Shelden Williams capped the run with a 14-foot jumper.

Johnson, who scored three points during the decisive run, then drained a 3-pointer after Miami had scored five straight to cut the edge to seven.

A first-round pick from Duke, Shelden Williams was just 1-of-8 from the floor with two rebounds in 28 minutes.

Shaquille O'Neal had nine points, three rebounds and four assists in 16 minutes and Udonis Haslem added 16 points for Miami.