PONTIAC, Mich. (AP) _ Isiah Thomas scored 23 points and the Detroit Pistons won a club-record 10th straight home game as they beat the Seattle SuperSonics 118-113 in a fight-marred NBA game Wednesday night.

The previous Pistons home-court winning streak was nine games set from March 21 to April 15, 1976.

Seattle's Tom Chambers and Detroit's Rick Mahorn were ejected from the game for fighting with 7:02 remaining. Chambers had tied his season-high of 31 points, while Mahorn had made only one field goal before they were ejected.

It was the second consecutive game in which the Sonics were involved in a fight. Seattle's Xavier McDaniel was involved in a fracas with Atlanta's Kevin Willis in the Sonics' 100-87 triumph over the Hawks on Monday.

Seattle, which trailed 100-85 with 9:13 remaining, got to within 110-106 on a free throw by Danny Vranes with 1:58 to play. Detroit, however, answered with a basket by Bill Laimbeer and, following a three-point play by McDaniel, Tripucka sank two free throws to give Detroit a 114-109 lead with 21 seconds left.

Laimbeer and Tripucka each finished with 21 points for Detroit. McDaniel had 31 for Seattle.

Detroit built its 15-point fourth-quarter lead by outscoring the Sonics 9-2 in the first 2:47 of the period.

Seldom-used 7-foot-5 center Chuck Nevitt scored all of his six points during a 15-3 Detroit spurt that gave the Pistons an 85-73 lead with 2:33 left in the third quarter. Chambers, however, who scored 14 points in the third period, scored seven of Seattle's final nine points in the quarter, helping the Sonics cut Detroit's lead to 91-83 entering the final quarter.