The city's integrity commissioner found his actions broke a conduct code, and that the mayor should pay back the money to the donors.

BBC: Toronto mayor Rob Ford job is safe

"It is the obligation of everyone, including the players on the field, to ensure that rules designed to promote player safety, fair play, and the integrity of the game are adhered to and effectively and consistently enforced, " NFL Commissioner Roger Goodell said in a statement announcing the suspensions.

CNN: Four players suspended in NFL bounty scandal