Mississippi St. game for 2016 was scheduled in March 2015. Michigan St. game was schedules in January 2015.
The point is, TH has plenty of time to schedule and move new and exciting games for 2018 and beyond.
The only change expected for the 2017 season is to add an FCS opponent in Provo. Fingers crossed that it will occur in late August. It would be nice to have a warm-up game for LSU and to keep the bye week after Wisconsin...and not play 13 weeks in a row without a bye.