Very difficult for him as of now because most of us are bias towards UFC fighters. His loses to Hall, Jacare and Machida, when in his prime, will always be an argument for people to dismiss his achievements. A 45-6 record is very impressive, if you take in consideration the opponents he fought and the longevity of his career. At 33 years old, I say he has 3 more solid years of competing at the highest levels. Just keep winning is the best he can do for his legacy at the moment. Defending his belt against Carvalho and Machida would be a first. I think his main goal should be a super fight with Ryan Bader. He already fought at 205lbs in the past. Bader vs Mousasi would be the biggest fight in Bellator history, definitely the type of fight to headline a UFC PPV. MW Champ vs LHW/HW champ, it would be historical and if Mousasi wins, that would sky rocket his stock.