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Team Overview

Second Row

Willie Isa

Player Sponsors



Date of birth


Heritage Number




Player Bio

A former winger who is now a backbone in the forward positions and known for his industrious carries.

Born in Auckland and represented the Australian Schoolboys at Under-15s level.

He played for New South Wales Under-17s and later went on to make his senior debut for Penrith Panthers aged 19 in 2008 before joining Melbourne Storm for the 2009 and 2010 seasons.

Isa moved to Castleford Tigers for one season in 2011 but was restricted to just nine appearances owing to injury. He then Joined Widnes Vikings for the 2012 campaign and soon became a regular, making 85 appearances in four years.

He signed for Wigan ahead of the 2016 season and made 30 appearances, including the Grand Final win over Warrington Wolves.

He played in the 2017 Challenge Cup Final against Hull FC at Wembley Stadium and featured 29 times for Wigan in 2018 but missed out on the 17-man squad for the Grand Final against Warrington at Old Trafford.

He played in all 34 games for Adrian Lam in 2019, including the record Super League encounter against Catalans Dragons at Barcelona’s Camp Nou.

A Liverpool FC fan at heart, Isa scored a try at The Kop end at Anfield in the Dacia Magic Weekend clash with Warrington in May 2019.

A consistent performer at second row in 2020, Isa made the joint highest appearances in the squad (21) and scored two tries in a season that saw the Warriors lift the League Leaders’ Shield.

Isa was a firm starter in 2021, making 20 appearances and scoring 2 tries. The second rower was named Captain for the first time in his career as he led the Warriors to victory in their final round victory over Catalans Dragons at the DW Stadium in 2021.

In 2022, Isa made 22 appearances in Cherry & White, helping steer Wigan as part of the leadership team. He also played for New Zealand in October 2022 as they face Leeds Rhinos.

Isa suffered a number of injuries in 2023, but made 11 appearances that year include his 200th for the Club, winning both the League Leaders’ Shield and another Super League Grand Final with the Club.

Player Honours

Super League


2016, 2018, 2023

Leaders Shield


2020, 2023

World Club Challenge



Official Partners