A controversial play by a Nihon University American football team became a police matter Monday as the family of an injured player filed an official complaint.The dangerous tackle against a Kwansei Gakuin University quarterback has sparked nationwide criticism and led Nihon University coach Masato Uchida to announce his resignation in a meeting with the media on Saturday, but he did not say whether he had instructed foul play.Uchida went to see the injured player and school officials in Hyogo Prefecture, western Japan, to offer an apology prior to speaking to the media."We were not able to …READ FULL ARTICLE