Chris Billam-Smith doesn’t believe that Gilberto “Zurdo” Ramirez’s promoters Oscar De La Hoya and Bernard Hopkins have ever watched him fight – but he continues to take inspiration from Hopkins.

A historic minimumweight clash is on the Gilberto Ramirez vs. Chris Billam-Smith undercard, as well as interim title and eliminator fights. Here's a breakdown of all the action on the Ramirez vs. Billam-Smith card.

Cruiserweight belt holders Gilberto “Zurdo” Ramirez and Chris “The Gentleman” Billam-Smith will square off Saturday in a title unification bout headlining Golden Boy Promotions’ “Latino Night” event in Saudi Arabia.

Date, fight time, undercard, prediction, latest odds and ring walks - Billam-Smith can become first British fighter since David Haye in 2008 to unify at cruiserweight

The Gilberto Ramirez vs. Chris Billam-Smith bout is a classic champion versus champion matchup. Ramirez is the current WBA cruiserweight champion, while Billam-Smith holds the WBO cruiserweight title. There are several differences between both fighters, namely experience and power.

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Watch Chris Billam-Smith take on Gilberto Ramirez in a unification of the WBO and WBA cruiserweight world championships on Saturday, live on Sky Sports Mix from 5pm; Ramirez has recorded 46 victories