Born in Sydney, New South Wales, Green played his junior football for Renown United, before being signed by the St. George Illawarra Dragons.

[6] On 23 September, he was listed as one of the top ten upcoming youngsters in the NRL in Lifestyle Uncut Magazine.

[9] On 18 August, he signed a one-year contract with the Manly Warringah Sea Eagles starting in 2016.

He would spend the next three months in the reserves before some good performances in the second row saw him earn a recall for Manly's round 16 match against the reigning premiers North Queensland.

Green played well in a hard fought 30–26 loss in Townsville and retained his spot in the Manly back row for their round 17 match against St. George Illawarra at Brookvale Oval.