Norman Powell pumped in 25 points as the Miami Heat -- backed by the highest-scoring quarter in the franchise's 38-year history -- defeated the visiting Charlotte Hornets 126-108 on Friday night.

Kon Knueppel, Charlotte's rookie first-round pick, scored a game-high and a season-best 30 points, and teammate Tre Mann contributed 20 points, nine rebounds and seven assists.

Miami scored 53 points in their record-breaking first quarter -- the second-highest scoring for a first quarter in league history -- shooting 67.7% overall (21 of 31) and 66.7% (10 of 15) on 3-pointers. The Heat in that quarter had 13 assists and zero turnovers.

Perhaps the game's most spectacular play occurred with 5:13 left in the fourth as Miami's Jaime Jaquez Jr. dunked over 7-foot-1 rookie center Ryan Kalkbrenner. L

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