WalesOnline are reporting that three more sides South African Super Rugby sides will join the cross-border competition over the next two years - the Sharks, the Lions and the Stormers.
The Cheetahs and Kings, who were cut from the down-sized Super Rugby previous year, already play in the competition which includes teams form Ireland, Italy, Scotland and Wales.
It was also reported in South Africa media that if one of their teams were to win the Pro14, it may allow the South African sides enter the Champions Cup which would prove highly lucrative.
Super Rugby discards the Southern Kings and Cheetahs joined the Pro 14 competition, that features Irish, Welsh and Scottish teams, this year and it's being reported that the Sharks will join next, followed by the Bulls, Lions and Stormers by the start of the 2020/21 season.
Last week a Fairfax report revealed that Super Rugby bosses were looking at expanding into the U.S., which now appears to be a contingency plan should the South African franchises jump ship.
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The report added that South African Rugby officials see their teams as unfairly disadvantaged due to the time zones and travel in the SANZAAR competition.
As it stands, South African teams have to make month-long trips to Australasia for away matches, compared to New Zealand and Australian sides, who only go on two-week trips to South Africa.
Both sides have helped bring in extra money to the competition, and it will only increase if more teams from Africa join the Celtic league.
It is believed Super Rugby bosses have drawn up plans for expansion of their own as a contingency plan should the South African franchises head to Europe.