Complex sentence: The winner will be awarded a new championship trophy instead of the "crystal football", which has been given by the American Football Coaches Association since 1986; as officials wanted a new trophy that was unconnected with the previous BCS championship system.
Split into simpler sentences: The winner will be awarded a new championship trophy instead of the "crystal football", which has been given by the American Football Coaches Association since 1986. Officials wanted a new trophy that was unconnected with the previous BCS championship system.