"I think it's a good thing and the right thing to do – to have one captain for the white-ball format, and now, Rohit actually can fly. So, the challenge for Rohit Sharma, in my opinion, is to stay fit and play everything that is there, from now to the World Cup in white-ball cricket, because you want the captain, that was one of Virat Kohli's strengths or MS Dhoni before that, they rarely missed games, and both were very fit," Agarkar told Star Sports.