BOX SCORESAN FRANCISCO – Bad pregame news for the Warriors only got worse once their first game after the NBA All-Star break began.Right before coach Steve Kerr’s pregame press conference began, the Warriors announced Steph Curry’s right knee would sideline him for at least another 10 days. That guarantees Curry misses at least another five games, including Thursday night, after sitting out the last five straight going into the break. He will not be eligible for All-NBA or any other major awards. Then the game happened. The Warriors competed hard in the first quarter, just for the Celtics to put their foot on the gas pedal and hand Golden State a 121-110 loss at Chase Center. Boston led by as many as 34 points, but the feisty Warriors outscored the Celtics by 18 points in the fourth quarter.What everybody wanted to see was how Kristaps Porzingis played in his Warriors debut. Porzingis had to wipe the cobwebs off as someone who had only played 17 games this season and last played in a game on Jan. 7. He finished with 12 points on 5-of-9 shooting and 2 of 5 from deep, one rebound, one assist and one blocked shot in 17 minutes off the bench.  Kristaps...