Kotoni Staggs

Staggs suffered the injury during a tackling drill, and he was in discomfort after the session as it took about five minutes for NSW medical staff to get the ring finger on his left hand back in place.

However, the 23-year-old centre, who trained alongside Tongan team-mate Daniel Tupou on the NSW right edge, has worked too hard on turning his life around to let the hand injury affect his Origin debut.

The NRL boss has drawn a line in the sand after it emerged the Brisbane centre was allegedly involved in an off-field incident over the Easter long weekend, sources told the Sydney Morning Herald.

The NRL launched an investigation after a woman contacted the governing body to complain about Staggs, accusing him of making unwanted advances to her while intoxicated. No police charges have been laid.

One of Brisbane Broncos' most promising young star centres, Kotoni Staggs, is set to make his debut for Mate Ma'a Tonga this weekend, representing his father who he has never met.

The 20-year-old has defied statistics growing up in a drug epidemic town, Wellington, in western Sydney, and has become one of the brightest young talents in the NRL.

"I love my culture and that's why I'm here," Staggs said, adding that he wants to "learn a bit more about my dad's side".

He has never met his Tongan father, who resides in the US.