In April 2013, Watene-Zelezniak re-signed with the Panthers on a 2-year contract. On 26 June 2013, in the curtain raiser to Game 2 of the
2013 State of Origin series, Watene-Zelenziak played for New South Wales under 18’s against Queensland under 18’s at
Suncorp Stadium, scoring a hattrick of tries in the 56-6 smashing win. On 6 October 2013, Watene-Zelezniak played in the Panthers
2013 Holden Cup Grand Final against the
New Zealand Warriors, playing on the wing in the 42–30 victory. Watene-Zelezniak was also selected to play for both the
Australian Schoolboys team and
Junior Kiwis team. He eventually chose to play for the Junior Kiwis. On 13 October 2013, Watene-Zelezniak played for the Junior Kiwis against the
Junior Kangaroos, playing on the wing and scoring 2 tries in the 38–26 loss at
WIN Stadium.
2014 In 2014, Watene-Zelezniak moved on to play in the Panthers
NSW Cup team, before being included in the Panthers first grade squad. In Round 5 of the
2014 NRL season, Watene-Zelezniak made his NRL debut for the
Penrith Panthers against the
Canberra Raiders, scoring 2 tries on debut in the Panthers 12–6 win at
Penrith Stadium. While playing in the Panthers NSW Cup side, Watene-Zelezniak was hit with a 4-match suspension after he performed an eye gouge on a
Wyong Roos player during their 32–24 win. Watene-Zelezniak finished his debut year in the NRL with him playing in 10 matches and scoring 7 tries for the Panthers in the
2014 NRL season. On 7 October 2014, Watene-Zelezniak's impressive late season form saw him included in the
New Zealand national rugby league team 24-man squad for the
2014 Four Nations. However he was later ruled out after he suffered a foot injury at training.
2015 On 5 February 2015, Watene-Zelezniak extended his contract with the Panthers until the end of 2016. On 28 April 2015, Watene-Zelezniak was ruled out of making his international debut for New Zealand in the
2015 Anzac Test after he was charged with a dangerous throw on
Cronulla-Sutherland Sharks player
Wade Graham. The suspension denied Watene-Zelezniak his New Zealand debut for the second time in 6-months. In Round 18, against the
Sydney Roosters, Watene-Zelezniak suffered a collapsed lung during the Panthers 24–4 loss at
Penrith Stadium and was ruled out for the rest of the season. Watene-Zelezniak finished off the
2015 NRL season with him playing in 16 matches and scoring 7 tries for the Panthers. On 10 November 2015, Watene-Zelezniak extended his contract with the Panthers until the end of 2017.
2016 In February, Watene-Zelezniak was named in the Panthers'
2016 NRL Auckland Nines squad. On 6 May 2016, Watene-Zelezniak made his international debut for New Zealand against
Australia in the
2016 Anzac Test, playing on the wing in the 16–0 loss at
Hunter Stadium. Watene-Zelezniak finished the
2016 NRL season with him playing in all of the Panthers 26 matches and scoring 12 tries. At the end of season, Watene-Zelezniak was selected in the New Zealand 24-man squad for the
2016 Four Nations. Watene-Zelezniak played in one match in the tournament, playing at fullback in the Kiwis 18-all draw against
Scotland at
Derwent Park.
2017 On 3 April 2017, Watene-Zelezniak extended his contract with the Panthers to the end of the 2020 season. On 5 May 2017, Watene-Zelezniak played for New Zealand against
Australia in the
2017 Anzac Test, playing on the wing in the 30–12 loss at
Canberra Stadium. On 22 July 2017, Watene-Zelezniak was involved in an ugly incident at a junior rugby league match. The Kiwi international who was volunteering as a touch judge between his junior club the
St Clair Comets and the St Mary Saints was abused by an official from St Mary's after he put his flag up to signify a St Mary’s player had stepped into touch, the altercation would become physical, with the official putting his hands around the Panthers star’s neck and wrestling with him. "It was very ugly and parents and officials had to take the kids across the field before a few people eventually broke it up," an eyewitness explained. The official was later copped with a lifetime ban from Junior Rugby League. Watene-Zelezniak finished the
2017 NRL season with him playing in 24 matches and scoring 9 tries for the Panthers. On 5 October 2017, Watene-Zelezniak was named in the 24-man New Zealand Kiwis squad for the
2017 Rugby League World Cup. On 11 November 2017, in the Kiwis entertaining clash against
Tonga, Watene-Zelezniak scored his first try for the Kiwis in the shock 28–22 loss at
Waikato Stadium. Watene-Zelezniak played in 3 matches and scored 1 try for the Kiwis in their disappointing World Cup campaign.
2019 On 9 June 2019, Watene-Zelezniak was released from his contract with the
Penrith Panthers effective immediately to sign with the
Canterbury-Bankstown Bulldogs. Watene-Zelezniak made a total of 10 appearances for Canterbury in his first year at the club. During the mid-way part of the season, Canterbury found themselves sitting last on the table and in real danger of finishing with the wooden spoon. However, for the third straight season, Canterbury achieved four upset victories in a row over
Penrith, the
Wests Tigers,
South Sydney and
Parramatta who were all competing for a place in the finals series and were higher on the table. Canterbury ended the season in 12th place.
2020 In round 12 of the
2020 NRL season against arch rivals Parramatta, Watene-Zelezniak played the ball in the opposite direction giving a penalty to Parramatta in which they scored off the next play. Canterbury would go on to lose the match 18-16 at
ANZ Stadium leaving them on the bottom of the table. He made a total of 18 appearances for Canterbury in the
2020 NRL season. The club finished in 15th place on the table, only avoiding the
Wooden Spoon by for and against.
2021 In round 1 of the
2021 NRL season, he scored two tries for Canterbury in a 32-16 loss against Newcastle. On 20 June, Watene-Zelezniak played his final game for Canterbury in round 15 against
Parramatta which ended in a 36-10 defeat. He then signed a three-and-a-half-year deal to join the
New Zealand Warriors effective immediately. On 2 July, Watene-Zelezniak played his first game for the
New Zealand Warriors in a one point loss to
St. George Illawarra.
2022 He made a total of 19 appearances for the New Zealand Warriors in the
2022 NRL season as they finished 15th on the table. In October he was named in the
New Zealand squad for the
2021 Rugby League World Cup. In the second group stage match at the
2021 Rugby League World Cup, Watene-Zelezniak scored four tries in New Zealand's 68-6 victory over Jamaica.#
2023 In round 8 of the
2023 NRL season, Watene-Zelezniak scored two tries in New Zealand's 30-22 loss against
Melbourne. In round 14, Watene-Zelezniak scored two tries for New Zealand in their 30-8 victory over the
Dolphins. In round 17, Watene-Zelezniak scored four tries as New Zealand defeated
St. George Illawarra 48-18. In round 20, Watene-Zelezniak scored two tries for New Zealand in their 44-12 victory over
Cronulla. In round 25, Watene-Zelezniak scored a
hat-trick in the clubs 29-22 victory over Manly. He played 24 games for the New Zealand Warriors in the 2023 NRL season and scored 27 tries as the club finished 4th on the table and qualified for the finals. He played in all three finals games as the club reached the preliminary final before being defeated by Brisbane. He earned a place in the Dally M team of the year. Finishing with fellow Kiwi's Teammate Jamayne Issako, as Wingers of the year.
2024 In round 26 of the
2024 NRL season, Watene-Zelezniak scored his 100th first grade try in the New Zealand Warriors 30-28 victory over Cronulla. Watene-Zelezniak played 22 games for the club throughout the season and scored 15 tries as they missed the finals. On 18 October 2024, Watene-Zelezniak had re-signed with the Warriors until the end of 2027.
2025 On 12 February, it was announced that Watene-Zelezniak would be ruled out indefinitely after dislocating his wrist during the New Zealand Warriors trial game against Cronulla. He played 17 matches with New Zealand in the
2025 NRL season as the club finished 6th on the table and qualified for the finals. They were eliminated by Penrith in the first week of the finals. Throughout the year, Watene-Zelezniak's defence came under scrutiny by supporters and sections of the media after he let in numerous tries on his side of the field where he was caught out of position. == Statistics ==