(August 22, 2016, 2:41 PM EDT) -- MINNEAPOLIS — A group of 21 former National Hockey League (NHL) players on Aug. 9 sued the league in federal court in Minnesota, claiming that they were not warned about the dangers of concussions and how those concussions would impact them later in life (Darren Veitch, et al. v. National Hockey League, et al., No. 0:16-cv-02683, D. Minn.)....