FILE - In this Oct. 28, 2007, file photo, Cleveland Browns wide receiver Braylon Edwards celebrates after gaining 17-yards and taking a big hit on a pass-play during the third quarter of an NFL football game against the St. Louis Rams in St. Louis. Edwards received an unsportsmanlike conduct penalty for taking his helmet off after the play. Celebrations that used to be part of the game are under increased scrutiny and, though the league rulebook has some very specific examples of what constitutes a penalty, the gray area is as wide as ever. (AP Photo/Jeff Roberson, File)