Complex sentence: It is the 7th oldest rivalry in division I FBS football; the Ducks tied an 8-game win streak in the series for the longest streak in the history of the rivalry until losing in 2016.
Split into simpler sentences: It is the 7th oldest rivalry in division I FBS football. The Ducks tied an 8-game win streak in the series for the longest streak in the history of the rivalry until losing in 2016.