Bailey is the first Australian since Dave Gregory (in the first Test match in 1877) to be named captain in his first game in any format.

"I'm nervous about both. The playing aspect, you're always anxious to get out there and perform really well. Once I get my head around knowing the players as well as I can, that (captaincy) will fall into place nicely.

"Being captain it's about getting around the bowlers who I haven't met as much and know about their games and just working out exactly what they need as well."

It's a surprise that the Australian selectors have chosen an unknown quantity to lead the national team. Usually, they pick a player and then see if he is fit for captaincy.

"It wasn't me who picked the team. I'm just excited to be leading and continuing on the great form and the great start of the summer Australia have had," he said.

Bailey said he would to continue the momentum of Australia's Test domination.

"When you're playing for your country, I don't think you'll take it easy on them this time. Every game is about having your foot on their throat," he said at the SCG today.

"Although it's a different format, I think it's important to continue the momentum of the Test team, not only in the cricket they play but also the standards they're setting off the field, the way they're training and the great feel around the group," he added.