Mealey's (December 2, 2015, 12:59 PM EST) -- PHILADELPHIA — A Pennsylvania federal judge on Dec. 1 granted a three-year-old motion by a group of football helmet manufacturers defendants to sever the product liability claims against them from the consolidated multidistrict litigation against the National Football League (NFL) in which former NFL players allege personal injury claims related to concussion injuries sustained while they were players (In Re: National Football League Players’ Concussion Injury Litigation, No. 2:12-md-02323, E.D. Pa.)....