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