NBA Power Rankings: Bucks ride defense to top; Pelicans hurt by lack of depth Unknown 00:59 The Bucks and Nuggets are the leaders in their respective conferences, and they also land at the top of our latest NBA Power Rankings. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsLeBron James on having dunk blocked by Jarrett Allen: 'It happens'NFL free agency rumors: Raiders coach Jon Gruden ‘very high on’ former Bills QB Nathan PetermanEsperance prevail on penalties to finish fifthLeBron James on Lakers potentially acquiring Pelicans star Anthony Davis: ‘That would be amazing’Doping control officer workshop takes place in AsiaNBA wrap: Nets top Lakers in Brooklyn, extend winning streak to 6 games