May 31, 2008 Posey and Allen: Celtics beat Detroit 89-81 Play video

(NECN) - The Boston Celtics will be taking on the LA Lakers in the NBA Finals.

Boston's Big Three came out strong in their final game against the Pistons on Friday night in Detroit.

Paul Pierce scored 27 points, Ray Allen had 17 and Kevin Garnett added 16 in the decisive game 6 of the series.

Things got a bit rough for Boston in the fourth quarter when Detroit took a 70-60 lead.

But Boston went on a 19-4 run to take back command of the game and win the series.

Final score Boston wins 89-81.

James Posey and Ray Allen spoke after the game about going to the NBA finals.