Johannesburg [South Africa], August 5 (ANI): The milestone fifth season of the SA20 is set to get bigger and better, with T20 superstars Mitchell Marsh, Joe Root, Sam Curran, Jason Holder and Phil Salt joining the fold as the six franchises confirmed their pre-auction retentions and signings ahead of the new edition. Durban's Super Giants and Paarl Royals are the only two teams to have completed their 19-player