Marion scored a game-high 29 points with 17 coming in the second half to help secure the victory. Ian Mahinmi added 17 points and nine rebounds off the bench for the Mavs. Jason Terry (12 pts), Lamar Odom (11 pts) and Brendan Haywood (10 pts) all finished in double figures for Dallas.
Marcin Gortat and Grant Hill each scored 19 points to lead the Suns. Gortat also finished with 17 rebounds and three blocks. Shannon Brown chipped in 14 points off the bench. Former Mavericks point guard Steve Nash finished with eight points but handed out 12 assists in the loss.
Dallas capitalized on Phoenix miscues turning 19 turnovers into 17 points.
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