**The United Rugby Championship heads south this weekend, with four northern hemisphere sides jetting off to South Africa for their Round 6 fixtures.** \n\nSaturday sees Zebre Parma visit the DHL Stormers before the Cell C Sharks host the Scarlets and the Vodacom Bulls welcome Munster. \n\nA clash between the Emirates Lions and Cardiff in Johannesburg rounds off the weekend on Sunday. \n\nBut how have the URC’s northern hemisphere sides fared in South Africa over the years? \n\nHere, we delve into the record books to find out what can be learned ahead of the upcoming trips south.