2017-18 NBA Power Rankings: Warriors, Celtics back on top in Week 13ByGerald Bourguet|Jan 9, 2018, 9:00 AM ESTShare on FacebookShare on XShare on RedditCopy ArticleAdd us as a preferred sourcePhoto by Adam Pantozzi/NBAE via Getty ImagesPrev30 of 31NextPhoto by Nathaniel S. Butler/NBAE via Getty Imageshttps://twitter.com/NBA/status/949437083105611776Add us as a preferred source on GoogleFollowNext