The AP reports: The Boston Celtics finally got a game. The result, though, was the same. Kevin Garnett scored 22, Paul Pierce had 20 points and Ray Allen added 14, leading Boston to an 86-78 win over the Detroit Pistons on Friday night. The Celtics, who have won 10 straight, took their last seven by double digits, including three victories by 20-plus points… Detroit’s Allen Iverson scored 19 points, moving past Hall of Famer Charles Barkley and into 16th place on the NBA’s career scoring list.