Complex sentence: Burwood S.C. has grown so much since it was formed that it now has 3 main fields-one full field at Blair Park, and at Centenary Park 2 full fields, 2 mini fields and 2 half fields.
Split into simpler sentences: Burwood S.C. has grown so much since it was formed that we now have 3 main fields. One full field at Blair Park, and at Centenary Park 2 full fields, 2 mini fields and 2 half fields.