When Erin and Lee Hanson were creating Guardian Sports in 2011, their son Jake Hanson was playing middle school football. Like all parents, th…

Four more former professional soccer players have been diagnosed with chronic traumatic encephalopathy. The Concussion Legacy Foundation says the North American Soccer League veterans were found to have the degenerative brain disease that has been linked to concussions in athletes, combat veterans and others who have sustained repeated head trauma.Â