Gortat hauled down 12 rebounds and Wall distributed nine assists for the Wizards, who notched a fifth straight win and pulled within two games of Atlantic Division-leading Toronto.
Trevor Ariza provided a double-double of 16 points and 10 rebounds.
DeMar DeRozan piled up 34 points for the Raptors.
Kyle Lowry added 18 points, 10 assists and nine rebounds in the marathon.
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