Complex sentence: His greatest coaching success, however, came as Bud Wilkinson's top assistant at the University of Oklahoma for 17 years, developing 16 All-American linemen as line coach and the architect of Oklahoma's great lines.
Split into simpler sentences: His greatest coaching success, however, came as an assistant at the University of Oklahoma. As the line coach, Jones developed 16 All-American linemen, and was the architect of Oklahoma's great lines.