​Tessa Lee, Sports journalist reporting on global leagues since 2021.​

South Sydney Rabbitohs forward Jai Arrow has revealed the early warning signs that eventually led to his devastating Motor Neurone Disease diagnosis, with symptoms first appearing during pre season training late last year. The NRL veteran said neck and shoulder pain initially raised concern before doctors discovered more alarming developments affecting his speech, ultimately leading to the life changing diagnosis that forced his retirement from rugby league.

Arrow announced his immediate retirement earlier this week after confirming he had been diagnosed with MND, a progressive neurological disease that affects the nervous system and muscle function.

The 31 year old said the first symptoms emerged during Rabbitohs training in November when he began experiencing unusual pain in his neck and shoulder.

Initially, medical staff believed the discomfort was linked to a training injury or muscular issue.

However, as the symptoms persisted and specialists struggled to identify a clear cause, further testing was undertaken.

Concerns escalated significantly when Arrow noticed changes in his speech and verbal communication.

Speaking to 9NEWS, Arrow described the emotional moment he learned of the diagnosis and admitted his initial reaction was disbelief.

“I laughed,” Arrow said.

“Not that I laughed, but my first question was ‘all right, where do I go now?’”

Arrow also explained how rapidly the illness had progressed over recent months.

“It has progressed from November until now,” he said.

“Speech is one of those things that is different.”

Rabbitohs rally around Arrow

The South Sydney Rabbitohs and the wider NRL community have rallied around Arrow following the announcement, with players, coaches and fans offering support to one of the game’s most respected figures.

Arrow has built a reputation throughout his career as one of rugby league’s toughest and most selfless forwards, playing State of Origin football for Queensland and representing Australia at international level.

The forward joined South Sydney ahead of the 2021 season after previous stints with the Brisbane Broncos and Gold Coast Titans.

He quickly became a key figure in the Rabbitohs forward pack due to his work rate, leadership and defensive toughness.

Arrow’s diagnosis has sent shockwaves through the rugby league community given his relatively young age and active playing career.

Motor Neurone Disease is a rare degenerative condition that progressively damages nerve cells responsible for controlling muscles. There is currently no known cure.

The average life expectancy following diagnosis is estimated to be between two and three years, although progression can vary significantly between individuals.

Neale Daniher’s fight inspires awareness

Arrow’s announcement has also renewed attention on MND awareness campaigns across Australian sport, particularly the ongoing work of AFL legend Neale Daniher.

Daniher was diagnosed with Motor Neurone Disease in 2013 and has become one of the leading public advocates for research funding and awareness initiatives.

Despite the average survival rate associated with the illness, Daniher continues to campaign actively more than a decade after his diagnosis.

The annual Big Freeze event at the MCG has become one of Australia’s most recognised sporting charity campaigns, raising millions of dollars for MND research.

This year’s Big Freeze match between Melbourne and Collingwood will again take place on King’s Birthday next month.

Arrow acknowledged the visibility created by Daniher’s advocacy and the growing awareness surrounding the disease.

The NRL is also expected to explore ways to support Arrow and assist with future awareness initiatives following his diagnosis.

Career remembered for toughness and resilience

Arrow’s retirement brings an immediate end to a respected NRL career that spanned more than a decade.

Known for his aggressive running style and relentless defensive effort, Arrow played over 170 NRL games and established himself as one of Queensland’s most reliable forwards.

He represented the Maroons in State of Origin and was widely admired for his professionalism and resilience throughout multiple injury setbacks during his career.

Teammates and rivals alike have praised Arrow’s character in the wake of the announcement, with many describing him as one of the most popular figures in the game.

The Rabbitohs released a statement supporting Arrow and his family while confirming the club would continue assisting him through treatment and rehabilitation.

Arrow said his immediate focus would now shift toward managing the disease and spending time with family and loved ones.

While the diagnosis has ended his rugby league career far earlier than expected, the support shown across Australian sport highlights the respect Arrow earned throughout his time in the NRL.