Former Hornets draft pick David Lee had 16 points and seven rebounds in his first contest against his ex-teammates.
Paul George totaled 20 points while Darren Collison provided an all-around game with 18 points, eight rebounds and six assists as Indiana won its third straight.
Danny Granger came up big in the extra fame, putting in five of his 14 points in overtime.
New Orleans was led by Trevor Ariza's 21 points.
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