Sparks dominate second half to beat Liberty, 87-74

Los Angeles Sparks’ Riquna Williams, right, shoots under pressure from New York Liberty’s Kiah Stokes during the first half of a WNBA basketball game, Friday, Aug. 4, 2017, in Los Angeles. (AP Photo/Jae C. Hong)Los Angeles Sparks’ Chelsea Gray, center, drives toward the basket past New York Liberty’s Lindsay Allen during the first half of a WNBA basketball game, Friday, Aug. 4, 2017, in Los Angeles. (AP Photo/Jae C. Hong)Los Angeles Sparks’ Candace Parker, top, look