Jayson Tatum scores 33 as Boston Celtics defeat Heat in Game 4

The Celtics staved off elimination in the Eastern Conference finals by running away in the second half to beat the Miami Heat in Game 4

LAY-UP: Jayson Tatum of the Boston Celtics drives to the basket ahead of Caleb Martin of the Miami Heat during the fourth quarter in game four of the Eastern Conference Finals at Kaseya Center in Miami, Florida. Pic: Megan Briggs/Getty Images

Down nine early in the third quarter, down 3-0 in the series, the Boston Celtics knew their season was completely on the brink.

Three minutes later, everything looked different.