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

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.

The Cleveland Cavaliers, started their postseason journey against the Miami Heat and were dominant, completing a series sweep on Monday with a 138-83 victory in Miami in Game 4. That came on the heels of another blowout, a 124-87 win in Game 3 on Saturday. Games 3 and 4 marked the two worst playoff losses in Miami franchise history.