The NFL suspended Chiefs backup offensive lineman Rokevious Watkins for four games Thursday for violating its substance-abuse policy. The league said it suspended Watkins without pay for the first four games of the 2014 regular season. He'll eligible to return to the Chiefs' active roster Sept. 30, the day after Kansas City's Monday night game against the New England Patriots. He played in one game for St. Louis in 2012 and three for Kansas City last year, including one start. More...