A former California high school football star has filed a sweeping federal lawsuit accusing his coaches of years of abuse, racial harassment and retaliation that he claims destroyed his athletic career. Riley Cochran-Hernandez, a former player at Del Campo High School, is suing the San Juan Unified School District in Sacramento County and ex-coaches Jeff Remington and Matt Costa, KCRA3 reported . He claims he was subjected to repeated racial and national-origin harassment, with the N-word used