Image: Nations ChampionshipSource: Getty ImagesArgentina's preparations for their Rugby Championship showdown with South Africa have suffered a setback after fly-half Tomás Albornoz received a four-match suspension for intimidating a match official. The sanction means the 28-year-old will miss Saturday's Test against the Springboks on 8 August. World Rugby explains Tomás Albornoz banAccording to World Rugby, Albornoz admitted misconduct arising from his interactions with referee Angus Gardner after the final whistle. World Rugby said:"Tomás Albornoz has been suspended for four matches after admitting misconduct arising from interactions with match officials following Argentina's Nations Championship match against England on 18 July." Springboks receive boost before Rugby Championship TestSouth Africa will now face an Argentina side without one of its first-choice playmakers as the Rugby Championship resumes on Saturday.