Heat defeat Celtics 128-102 to reach NBA Finals.

MIAMI (UPI) -- Sunday's Game 3 rout of the No. 2 Boston Celtics in Miami put the No. 8 Miami Heat one win away from the NBA Finals.

"That was a solid, mature, professional approach," Heat coach Erik Spoelstra said after the Kaseya Center triumph.

Celtics studs Jaylen Brown and Jayson Tatum scored 26 points on 12 of 35. Heat point guard Gabe Vincent scored a career-high 29 points. Six 3-pointers.

"We are just playing good basketball at the best time," Vincent said of the Heat. 

Miami hosts Game 4 of the best-of-seven Eastern Conference finals on Tuesday. Heat reserve Duncan Robinson scored 22 points. Five 3-pointers. 

Heat forwards Caleb Martin and Jimmy Butler scored 18 and 16 points, respectively.

The Heat bench outscored the Celtics 55-51 and shot 56.8% to 39.8%. Celtics made 11 of 42 3-pointers. Heat made 19 of 35 three-pointers.

Celtics started the 9-3. The Heat then outscored the Celtics 16-6 in the final five minutes to take a 30-22 lead into the second and never trailed again.

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