 In the team's fourth last game of the season on April 10, Harris scored a season-high 21 points against the Denver Nuggets.He went on to play in four of the Mavericks' five first-round playoff games against the Houston Rockets.His 2014 playoff form did not follow over to 2015 unfortunately, as he scored in double figures in just one game and shot 8-of-23 from the field in the 4–1 series loss.