(May 19, 2016, 11:42 AM EDT) -- MINNEAPOLIS — The federal judge overseeing the National Hockey League concussion injury multidistrict litigation on May 18 denied the league’s motion to dismiss the master complaint based on labor law preemption because there are not any documents in evidence that show that the plaintiffs’ claims are preempted (In re: National Hockey League Players Concussion Injury Litigation, MDL No. 14-2551, D. Minn.)....