Click Debate: What are the biggest questions facing MMA in 2018?

MMA was red hot in 2016. Conor McGregor fought three times; Ronda Rousey fought once. The UFC scored more viewers on pay-per-view than ever before.
Last year was not nearly as successful and, from a business perspective, there are many questions heading into 2018.
And what about Bellator and the rest of the MMA world? Who will the UFC sign with after its broadcast deal with Fox expires? Will weight cutting be addressed further?
These coming 12 months will be pivotal in the history of the sport.