Knuckles was the head college football coach for the McPhersonBulldogs located in McPherson, Kansas. He held that position for the 1969 and 1970 seasons. His coaching record at McPherson was 1 wins and 16 losses. As of the conclusion of the 2010 season, this ranks him No. 25 at McPherson in total wins and No. 26 at the school in winning percentage (.059). He also served as athletic director at Northwest Christian School on Spokane, Washington.