Well, because formalities have to be completed. India are already 4-1 up and the chance of winning 5-1 can be the only motivation. But then, have they faced any competition? South Africa have been hit by injuries – first to de Villiers,
Then to du Plessis, to de Kock and now Chris Morris. AB has come back to the side but has not done anything substantial. They might want to win this and enter the T20Is with some sort of confidence. The hosts have been down and out throughout the ODI series, foxed by spin.