His mother, Suzann, says her 13-year-old son is now taking medication to manage his PTSD and ADHD, and deserves a go.

"He did have a bad year, at home, at school, everywhere," she said.

"He's dealing with PTSD, he has ADHD and we found out last year it's due to past trauma.

"He's taking medication and he's a different kid this year."

Saxon has since registered to play with another club, but said he would find it difficult to play against his friends.

"I've played footy since I was four," he said.

"I like getting to run around with my mates, go away on the weekend, and do sport."

He acknowledged he behaved poorly last year, but said he made an effort to improve.

"I had a bad year last year, but I'm not doing bad stuff anymore," he said.

"I just want to play footy for Sussex."

Sussex Inlet Rugby League Football Club confirmed they had denied Saxon's registration for the 2019 season.

"The decision hasn’t been made lightly and was made in conjunction with the National Rugby League Code of Conduct, the National Safe Play Code and our club’s values and expectations both within the club and within the community," a spokesperson said.

"(The club) has provided the opportunity for this decision to be reviewed annually. Due to the age of the player and the sensitivity of the situation, we decline to comment on anything further."