|Full name||Isaac Liu|
|Born||26 April 1991|
Auckland, New Zealand
|Height||187 cm (6 ft 2 in)|
|Weight||107 kg (16 st 12 lb)|
|Position||Lock, Prop, Second-row|
As of 7 October 2019
Isaac Liu (born 26 April 1991) is a professional rugby league footballer who plays as a lock, prop and second-row forward for the Sydney Roosters in the NRL. He is both a Samoan and New Zealand international.
Liu was born in Auckland, New Zealand.
He played his junior football for the Otahuhu Leopards before moving to Australia as a teen and attending Keebra Park State High School on the Gold Coast, Queensland. He is of Samoan and Niuean descent.
In round 4 of the 2013 NRL season Liu made his NRL debut for the Roosters against the Parramatta Eels in a 50-0 victory at the Sydney Football Stadium. Liu made 15 appearances for the club in his debut season including the 40-14 preliminary final victory over Newcastle but he missed out on selection in the 2013 NRL Grand Final side which defeated Manly-Warringah.
In May 2014, Liu played for Samoa in the 2014 Pacific Rugby League International. He made headlines in the match after taking a massive shot by Fijian player Korbin Sims. Liu made 23 appearances for Easts in the 2014 NRL season as the club won the minor premiership. Liu played in the club's preliminary final defeat by South Sydney which ended their premiership defence.
On 2 May 2015, Liu played for Samoa in the Polynesian Cup against Tonga. In the 2015 NRL season, Liu made 26 appearances as the Sydney Roosters won their third consecutive minor premiership. Liu played in the club's preliminary final loss against Brisbane at Suncorp Stadium.
On 21 July 2017, Liu played his 100th First grade game against Newcastle, in this game he scored a try as the Roosters won the match 28-4 at the Sydney Football Stadium. Liu made a total of 22 appearances for Easts in the 2017 NRL season as the club finished 2nd on the table and reached the preliminary final before suffering a shock defeat by North Queensland.
On 5 October 2017, Liu was named in New Zealand Rugby League world cup squad.
Liu made 26 appearances for Easts in the 2018 NRL season as they won the minor premiership and reached the 2018 NRL Grand Final against Melbourne. Liu played from the bench as Easts defeated Melbourne 21-6 claiming their 14th premiership. Liu made 24 appearances for the Sydney Roosters in the 2019 NRL season as the club reached the 2019 NRL Grand Final against Canberra. The club would go on to win 14-8 with Liu starting at prop. It was the club's second consecutive premiership victory and Liu's second as a player.