Ken Zacher compiled a record of 91-46 as coach of Nowata (Okla.) High School. His team captain in 1971-72 was Dale Martin (left), one of five black players on the team. (Nowata High School yearbook photo)

Ken Zacher compiled a record of 91-46 as coach of Nowata (Okla.) High School. His team captain in 1971-72 was Dale Martin (left), one of five black players on the team. (Nowata High School yearbook photo)