St Helens In 2014 won the Super League Championship with St Helens.
Wigan Warriors He played in the
2018 Super League Grand Final victory over
Warrington at
Old Trafford.
Leeds Rhinos (loan) On 25 February 2020, Wigan allowed Greenwood to sign a short eight-week loan with Leeds. On 16 March, the
Rugby Football League announced the
postponement all rugby league fixtures in England due to the
COVID-19 pandemic, and Greenwood returned to Wigan without making an appearance for Leeds when the competition restarted in August.
Wigan Warriors (return) He played in the
2020 Super League Grand Final which Wigan lost 8-4 against St Helens.
Huddersfield Giants On 10 December 2020, it was announced that Greenwood would be joining Huddersfield on a two-year deal from the 2021 season. In round 2 of the 2021 Super League season, he was sent off after a dangerous high tackle in Huddersfield's 20-10 loss against the
Catalans Dragons. On 28 May 2022, Greenwood played for Huddersfield in their
2022 Challenge Cup Final loss to
Wigan. Greenwood played 14 matches with Huddersfield in the 2023 Super League season as the club finished ninth on the table and missed the playoffs. Greenwood played 14 games for Huddersfield in the 2024 Super League season as the club finished 9th for a second consecutive year. Greenwood played 23 matches for Huddersfield in the 2025 Super League season as the club finished 10th on the table. ==International career==