Complex sentence: That same year, the World Finals were moved to the Thomas & Mack Center and the event grew to be the most famed one in bull riding until and, then in 2016 the finals moved again when the new T-Mobile Arena was completed.
Split into simpler sentences: That same year, the World Finals were moved to the Thomas & Mack Center and the event grew to be the most famed one in bull riding. Then in 2016 the finals moved again when the new T-Mobile Arena was completed.