Dimancheff attended George Washington Community High School, where he lettered in football, basketball and track.
In his second year he received All-Conference honors, before military service in World War II interrupted his college career.
The next year, he helped the team reach the NFL championship game again, where they lost to the Philadelphia Eagles.
After winning his second state title, Dimancheff returned to the NFL, where he spent 12 seasons as a coach and director of player personnel.
In 1957, he began as the backfield and receivers coach for the Pittsburgh Steelers and was also the team's director of player personnel.
By 1966, Dimancheff was back in the NFL as the receivers coach and director of player personnel for George Halas and the Chicago Bears.
[2] Dimancheff spent seven seasons in Chicago before moving on to the World Football League (WFL) and a job as the offensive coordinator for the Southern California Sun.