The Australian players Smith and Warner would not be featuring in IPL 2018. Steve Smith has stepped down from his Rajasthan Royals captaincy and Ajinkya Rahane has replaced him. As for Warner, there is no news who will replace him as the captain of Sunrisers Hyderabad
.BCCI mandate doesn't allow players banned from their cricket board to participate in the IPL. We have decided to bar them from this season. The replacements will be made available to the two teams. We did not take any decision in haste, it was a well thought out decision.