[10] Vatuvei was selected to play for the New Zealand on the wing in the 2007 Anzac Test match against Australia, scoring a try in the Kiwis 6–30 loss.

[11] After playing in 23 matches, Vatuvei was joint top try scorer for the Warriors alongside Jerome Ropati and Michael Witt with 10 tries in the 2007 NRL season.

Needing to beat the Eels in the last round of the regular season, Vatuvei scored a hat-trick of tries, as the Warriors convincingly won 28–6 to qualify in 8th spot and book a match against minor premiers Melbourne Storm.

With the Warriors trailing 15–14 in the 78th minute, he received an offload from Jerome Ropati and busted several tackles over a run of 40m before passing to Michael Witt who sprinted 20m to score the match-winning try.

[20] In Round 13 against the St George Illawarra Dragons at Mt Smart Stadium, Vatuvei played his 100th NRL career match as the Warriors lost 20–22.

In Round 24 against the Penrith Panthers at Mt Smart Stadium, Vatuvei played his 150th NRL career match in the Warriors 18–16 loss.

[30] In Round 23 against the North Queensland Cowboys at 1300SMILES Stadium, Vatuvei became the first player to score 100 tries for the club, in the Warriors shellacking 52–12 loss.

In the Kiwis opening game, a 42–24 victory over Samoa at Halliwell Jones Stadium in Warrington, Vatuvei scored a hat-trick.

[38] In Round 6, against the Wests Tigers, Vatuvei played his 200th NRL game, scoring twice in the Warriors 32–22 win at Mt Smart Stadium.

[39] In the following week against the North Queensland Cowboys, Vatuvei overtook Nigel Vagana as the most prolific New Zealand try scorer when he touched down for his 141st career try in the Warriors 28–24 loss at 1300SMILES Stadium.

[citation needed] On 10 July, Vatuvei was released from his contract with the New Zealand Warriors and signed a deal with Salford Red Devils.

[48][45] Vatuvei announced his well rumoured retirement on social media on 15 July 2019; explaining the delay in his decision was due to being unable to accept that his time was up.

[49] Vatuvei made his boxing debut in the corporate division to raise money for The Prostate Cancer Foundation of NZ on 15 December 2012.

[51] In November 2018, it was announced that Vatuvei would make his pro boxing debut against Brown Buttabean David Letele.

[53] It was later announced that during prescreening health checks for the match, Vatuvei discovered he had a cyst on the brain, so cancelled all future bouts.

On 2 May 2021, Vatuvei announced through his social media that he was the sportsman in the case, and that he had been charged with possessing methamphetamine for supply and importing the Class A drug in December 2019.

[56][57][58] On 6 October 2021, Vatuvei pleaded guilty to importing methamphetamine into New Zealand and in March 2022 he was sentenced to three years and seven months in prison.

It was announced that he would take a volunteer role with the Warriors, counseling young players on career decisions and making good choices.