In the playoffs, Miller averaged 5.2 points per game, and scored in double figures at least once in each of the Heat's playoff series as Miami advanced to the NBA Finals to face the Oklahoma City Thunder. In game 5, Miller made seven three-pointers, setting the NBA Finals record for most three-pointers by a reserve. He had not made any three-pointers in the previous four games of the series. He finished with 23 points, 5 rebounds and a steal in game 5. Miami would go on to win the game and the NBA championship.