RENTON – With the Seattle Sounders already trailing 2-0 and down a man against the Vancouver Whitecaps on Saturday, Alex Roldan was hoping to inject some life into his team. The veteran right back saw Ali Ahmed make a loose touch and thought he could win the ball. Instead, Ahmed was able to shield the ball and Roldan made what can only be classified as a horror tackle, coming down hard on Ahmed’s shin. Referee Ramy Touchan immediately reached into his pocket to show a red card. Roldan didn’t even pretend to argue, and simply put his head down as...