HOUSTON -- The Nets have two big issues right now: Deron Williams’ wrist and their defense. 

Williams’ wrist is a bigger concern.

The Nets’ new All-Star point guard has a strained right wrist that requires rest, and he hasn’t been able to get much. He played in the All-Star game and banged it. He played Friday in San Antonio and banged it, and it still bothered him in his second game as a Net last night.

But Williams still made plays for his teammates in a 123-108 shellacking by the Rockets. The Nets missed 60 percent of their shots and Williams still had 17 assists. Just like in his debut, he could have had more but the Nets sometimes can’t shoot straight.

“It’s going to continue to be sore,” Williams said. “I’ve got