Johnny Manziel went from hanging out with the Browns to hanging with the Biebs. Cleveland's rookie quarterback, whose social life has overshadowed his NFL arrival, posted photographs on Twitter of him and Justin Bieber. Manziel promised last week he wouldn't tone down his well-documented weekend living despite advice from Hall of Famers Emmett Smith, Joe Montana and Warren Moon. The 22-year-old not only kept his word but seemed to flaunt his celebrity by posting the photos with the pop star heartthrob as well as boxing champion Floyd Mayweather and others. More...