Complex sentence: In addition, former Spurs player Herbert Chapman subsequently became manager of Arsenal while ex-Gunner Terry Neill was Spurs manager between 1974 and 1976, before crossing back to manage Arsenal between 1976 and 1983.
Split into simpler sentences: In addition, former Spurs player Herbert Chapman subsequently became manager of Arsenal. While ex-Gunner Terry Neill was Spurs manager between 1974 and 1976, before crossing back to manage Arsenal between 1976 and 1983.