Billy Slater has announced he will join the rest of Queensland’s ‘Big Four’ in retirement at the end of this year’s State of Origin series.

Slater, who has played 29 times for the Maroons, will follow fellow greats Johnathan Thurston, Cooper Cronk and Cameron Smith in bowing out of representative football.

The 34-year-old fullback isn’t sure if he will continue playing in the NRL for the Melbourne Storm next year but is certain the time is right to call time on his Origin career.