 Complete the following phrase:  Following a reorganisation of Super Rugby after its 2017 season, two of South Africas six Super Rugby franchises, the Cheetahs and Southern Kings, were axed. During the months preceding the announcement of Super Rugby contraction, the SARU had entered into discussions with Celtic Rugby Limited, the company that operates the European competition then known as Pro12, regarding the potential addition of the two axed Super Rugby sides to the league. Shortly before the league began its 