Percy Harvin's comeback lasted just two games after the Buffalo Bills placed the receiver on the season-ending reserve-non-football-illness list because of migraines. The team announced the roster move Monday, a day after Harvin missed his second consecutive game since he began experiencing headaches. Harvin's health and readiness to play were in question after his season in Buffalo was cut short in October 2015 because of injuries to his right knee and hip. More...