Complex sentence: Kiko Martinez made his first defence of the EBU super bantamweight title against Rendall Munroe; a title he had successfully taken from Bernard Dunne in August 2007.
Split into simpler sentences: Kiko Martinez made his first defence of the EBU super bantamweight title against Rendall Munroe. This was a title that he had successfully taken from Bernard Dunne in August 2007.