Norman Powell scored 29 points, Ivica Zubac posted a double-double of 21 points and 15 rebounds, and the visiting Los Angeles Clippers raced past the injury-depleted Dallas Mavericks 118-95 in the NBA on Thursday night. Powell’s 4-of-8 shooting from 3-point range led the Clippers, while James Harden, Kevin Porter Jr., Amir Coffey and Derrick Jones