The Cavaliers, Celtics, Pacers and Thunder have secured spots in the conference semifinals, but there's still plenty of first-round drama left.

After a thrilling four quarters of regulation, the game needed five more minutes to be decided. Milwaukee jumped out to an early lead in overtime thanks to a scorching hot performance from Gary Trent Jr., but the Pacers crawled back to stay in the game.

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.