Complex sentence: Starting in 2015, the bowl returned to a hybrid arrangement for a six-year period, with SEC teams playing ACC teams for three years and Big Ten teams the other three years; the Notre Dame Fighting Irish are also eligible during ACC years.
Split into simpler sentences: Starting in 2015, the bowl would return to a hybrid arrangement for a six-year period. This deal will feature SEC teams playing ACC teams for three years and Big Ten teams the other three years; the Notre Dame Fighting Irish are also eligible during ACC years.