Is Clint Dempsey the X-factor Seattle needs to beat Toronto FC once again?

The 2017 MLS Cup final has been billed as Toronto FC's day of redemption, but Clint Dempsey won't be paying attention to the pregame chatter. For the 34-year-old Seattle Sounders star, memories of 2016 aren't entirely fond. Last year, Dempsey was ruled...