After months of having his off-field behavior analyzed, scrutinized and criticized, Johnny Manziel will again be the center of attention. This time, though, it won't be for swigging champagne on an inflatable swan, but during his first NFL training camp as he and Brian Hoyer battle for the Browns' starting quarterback job. The Hoyer-Manziel showdown will dominate camp until someone is named the winner, and that decision from first-year coach Mike Pettine will not come until the third exhibition game (Aug. 23). Manziel earned his ''Johnny Football'' nickname during a stellar career at Texas A&M, where his daring, dazzling scrambles and improvisational skills made him a college star. More...