Top Rank
Gaibnazarov turned professional at the age of 25 when he signed with Top Rank on 17 March 2017 on a multi-year deal. Gaibnazarov, speaking to ESPN, praised Top Rank saying, "Top Rank is the best promotional company in the world, and I always want to be with the best. Thank you, Top Rank, and especially Bob Arum, for giving me this opportunity and letting me show and prove in the ring my ability to fight as a professional."