Complex sentence: There were also MMA fighters in attendance who voiced support for the decision, among them were several of Machida's training partners, including Antônio Rodrigo Nogueira, Junior dos Santos, José Aldo, Rafael Cavalcante and Anderson Silva.
Split into simpler sentences: There were also MMA fighters in attendance who voiced support for the decision. Among them were several of Machida's training partners, including Antônio Rodrigo Nogueira, Junior dos Santos, Jose Aldo, Rafael Cavalcante and Anderson Silva.