Despite having just delivered a brilliant unanimous decision win over Chris Billam-Smith to become the new unified cruiserweight world champion Saturday night, Gilberto 'Zurdo' Ramirez is well aware of Jai Opetaia being considered the top fighter in the division.

Watch Chris Billam-Smith take on Gilberto Zurdo Ramirez in a unification of the WBO and WBA cruiserweight world championships on Saturday, live on Sky Sports Mix from 5pm; Billam-Smith is looking to beat Ramirez and then take on another rival champion,

Chris Billam-Smith expects Gilberto Ramirez to prove the “most well-rounded” opponent of his career. On Saturday at the Kingdom Arena in Riyadh, Saudi Arabia, the WBO and WBA champions contest their titles and their statuses as the leading rivals to Jai Opetaia as the finest cruiserweight in the world.