That is because the Heat-Cavaliers series was the most lopsided in NBA playoff history. After the Cavs romped to a 138-83 victory on the road in Game 4, Cleveland set a new record with a plus-122 point differential against Miami -- the largest margin of victory in any four-game span in playoff history.

Cleveland posts 55-point Game 4 win, the fourth-largest NBA playoff margin of victory, capping a record four-game margin of 122 points.

The Cleveland Cavaliers became the first team in the Eastern Conference to advance to the second round of the 2025 NBA playoffs with their 138-83 win over the Miami Heat. The Cavs completed their first-round sweep in dominant fashion, with a 55 point win over the Miami Heat — and yes, you read that correctly.