Michael Cheika backs Tolu Latu to keep his cool in Cardiff

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Fainga'a: Hookers need to take ownership (0:20)

Folau Fainga'a believes that the Wallabies hookers need to take more ownership of the finer details ahead of Australia's meeting with Wales. (0:20)

Australia coach Michael Cheika has thrown his support behind firebrand hooker Tolu Latu after handing him a surprising first start in almost two years against Wales in Cardiff.

The Wallabies are looking to record a 14th successive win against the Welsh on Sunday (0420 AEDT) with Latu one of four changes made by Cheika from the side that lost to New Zealand two weeks ago in Japan.

Latu has been sin-binned twice this season, including a 10-minute spell on the sidelines for slapping All Blacks hooker Codie Taylor in Tokyo.

Cheika has jettisoned Folau Fainga'a with veteran hooker Tatafu Polota-Nau named on the bench and is confident Latu can hold his nerve in the red-hot environment of the Principality Stadium.

"I think Folau Fainga'a has had a great year," he said.

"He wasn't playing Super Rugby at the start of the year and he's been ... starting for the Wallabies for four or five games in a row.

"It gives an opportunity to Tolu who's had his ups and downs over the last few weeks but I'm a big believer in Tolu and giving him a chance at starting."

Jack Dempsey is also named in the starting line-up for the first time in 13 months with the hard-hitting back-rower preferred to Ned Hanigan who drops to the bench.

Dempsey came on during the second half in Tokyo for his first appearance since suffering nerve damage after ripping his hamstring off the bone in October 2017.

Cheika said he has been was impressed with Dempsey's contribution and his displays in training made his mind up to start the NSW Waratahs flanker.

"Dempsey was quite abrasive when he came on in the last game," Cheika said.

"He didn't play a lot of time but it's a good opportunity for him now, with three big games left in the year to have a starting role and re-acquaint himself with Test footy.

"I didn't quite think he'd be playing in the last game but he showed, when he came to training, he was up for it.

"He's a tough guy, he really is.

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"You can see that in him, it's one of the things you like about him because he's got a thirst for it, he wants to play footy. He wants to try and be the best he can be."

Lock Adam Coleman also returns following the groin injury he suffered before the New Zealand match and centre Samu Kerevi starts at centre after an impressive cameo against the All Blacks.

"Adam's done really well for us since he's come into the team," Cheika said.

"He started working his way into the team, he's become a mainstay inside of the team and now I think that's setting around for other players in that position to lift their game."

Wallabies team: Dane Haylett-Petty, Israel Folau, Samu Kerevi, Kurtley Beale, Marika Koroibete, Bernard Foley, Will Genia, David Pocock, Michael Hooper (capt), Jack Dempsey, Adam Coleman, Izack Rodda, Allan Alaalatoa, Tolu Latu, Scott Sio. Replacements: Tatafu Polota-Nau, Sekope Kepu, Taniela Tupou, Rob Simmons, Ned Hanigan, Nick Phipps, Matt Toomua, Jack Maddocks.