On 7 December 2012, Masoe signed a two-year contract with the Penrith Panthers starting in 2013. He played 17 games for Penrith in the 2013 NRL season as the club missed out on the finals.
St Helens (2014–15)
On 26 June 2013, Masoe signed a 2-year contract with Super League team St. Helens, commencing from the 2014 season, after being released from the final year of his Penrith Panthers' contract.
Subsequently in 2017, he was released without having played in a single game for St. George Illawarra.[15]
Hull Kingston Rovers (2017–2020)
Masoe penned a deal to join Hull Kingston Rovers for the remainder of the 2017 Championship season, with the option to extend his contract for the 2018 season based on the club gaining promotion back to the Super League.[16][17]
Masoe was part of the Hull Kingston Rovers' side that gained automatic promotion back to the Super League in the 2017 season. It was revealed on 26 June 2018, that Mose had signed a new three-year contract extension to stay at Hull Kingston Rovers until at least the end of the 2021 rugby league season.[19]
In January 2020, Masoe was taken from the field on a stretcher during the club's pre-season friendly against Wakefield Trinity after suffering a serious spinal injury. Masoe was later rushed to hospital where he had emergency surgery. On 16 January 2020, it was announced that Masoe would not play rugby league again and was forced into early retirement. Hull KR head coach Tony Smith spoke to the media saying “This is a career-ending injury. If Mose is able to walk again that will be a success. I don’t want to paint a picture that everything is going to be fine and he’s going to be back doing things he used to do. It’s going to be a long old haul for Mose".[20][21] During Masoe’s injury rehabilitation, he was able to first take unaided steps in September 2020.[22]
Representative career (2010–14)
Masoe has previously played for the Junior Kiwis. During the 2010 season, Masoe was selected in the Samoan and New Zealand train-on squads. During the 2013 season, Masoe was selected in the Samoan and New Zealand train-on squads once again. Subsequently opting to play for Samoa.
^ ab"Mose Masoe St Helens". www.superleague.co.uk. Rugby Football League. 2015. Archived from the original on 24 September 2015. Retrieved 26 July 2015.