Sing joined the Penrith Panthers in 1993, originally as a halfback. After poor form for the Panthers' lower grade sides, he was dropped to the local Penrith competition, where former Panthers' coach Len Stacker moved him to centre.[8] The move kick-started his career, as he returned to the Panthers' reserve grade side after just one game, was selected for the Junior Kangaroos and made his first grade debut in Round 13 of the 1993 NSWRL season. He finished his debut season playing four games off the bench. In 1994, he locked down a starting centre spot for Penrith, playing 17 games, scoring six tries and being named the club's Rookie of the Year.[9]
In 1995, Sing made his State of Origin debut for Queensland, starting on the wing in all three games in their 3–0 series victory over New South Wales. In July 1995, he made his Test debut for Australia, starting on the wing in their 20–10 win over New Zealand. Sing left the Panthers at the end of the 1995 season as the club sided with the rebel Super League competition. Sing stayed loyal to the Australian Rugby League, signing with the ARL-aligned Sydney City Roosters. In Sing's final season for the Panthers, he scored 8 tries in 15 games.
Sydney Roosters
In 1996, in his first season for the Roosters, Sing scored 12 tries in 21 games. In his first five seasons with the club, Sing scored 10 or more tries each year. He played in all three games for Queensland in their 1996 State of Origin series loss to New South Wales and in October, represented Australia in their 52–6 win over Papua New Guinea. In 1997, he scored 11 tries in 22 games as the Roosters came within one game of the Grand Final. In June 1997, he scored his first try for Queensland in their 14–15 loss to New South Wales. In July 1997, he scored for Australia in their 28–8 win over the Rest of the World. In 1998, Sing scored 15 tries in 27 games for the Roosters and once again played all three games for Queensland in their series win over New South Wales. In Round 21 of the 1998 season, he played his 100th first grade game in the Roosters' 20–32 loss to the Melbourne Storm.
In 1999, he earned a recall to the Australian side, coming off the bench in their Anzac Test win over New Zealand. In 2000, he was awarded the Australian Sports Medal for his contribution to Australia's international standing in the sport of rugby league. On 27 August 2000, he started on the wing for the Roosters in their Grand Final loss to the Brisbane Broncos. In Round 5 of the 2001 NRL season, he played his 150th first grade in the Roosters' 30–31 loss to the Northern Eagles.
North Queensland Cowboys
In 2002, Sing joined the struggling North Queensland Cowboys. In his first season with the club, he scored 16 tries in 23 games and won their Player of the Year and Players' Player awards. In Round 22 of the 2002 season, he scored his 100th first grade try in the Cowboys' 30–40 loss to the Melbourne Storm. In 2003 NRL season, he scored 21 tries in 20 games and again won the club's Players' Player award. That season he earned recalls to the Queensland and Australian sides. In the third game of the 2003 State of Origin series, he scored a hat-trick in a 36–6 win over New South Wales and was named man of the match.[10] In November 2003, he started two games on the wing in Australia's Ashes series win over Great Britain. In 2004, Sing played just 12 games due to jaw and knee injuries.[11] He returned in time for the finals, scoring a hat trick in a 30–22 win over the Canterbury Bulldogs, the club's first ever finals game.[12] In October and November 2004, he represented Australia in their victorious Tri-Nations campaign, starting on the wing in all five games. Following the Tri-Nations, he announced his retirement from representative football.[13]
In 2005, Sing reversed his retirement decision, starting all three games for Queensland in the 2005 State of Origin series and playing for Australia in the 2005 Anzac Test.[14] In the 2005 NRL season, he played 25 games, scoring 16 tries. He played his 250th first grade game in the Cowboys' 29–0 preliminary final win over the Parramatta Eels. On 2 October 2005, he started on the wing in the Cowboys' Grand Final loss to the Wests Tigers. In 2006, Sing played his final season for the Cowboys, playing 24 games and finishing as the side's top try scorer with 13 tries. In Round 2 of the 2006 NRL season, he scored his 150th first grade try, the sixth player to do so. On 6 June 2006, he signed a two-year deal with Hull F.C.[15][16]
Hull F.C.
In 2007, Sing scored 11 tries in 23 Super League games for Hull F.C. On 30 August 2008, he started on the wing in Hull's 2008 Challenge Cup Final loss to St Helens.[17] He retired from professional rugby league at the end of the 2008 season.[18][19] He played 48 games for Hull over two seasons, scoring 17 tries.
In 2009, Sing joined the Central CometsQueensland Cup side as an assistant and backs coach.[21][22] In June 2009, he briefly came out of retirement to play for the Comets.[23]
On 17 May 2015, Sing was named on the wing in the Cowboys 20-year team and, alongside Paul Bowman, was an inaugural inductee into the Cowboys' Hall of Fame.[24][25]
^"Archived copy". ww16.yesterdayshero.com.au. Archived from the original on 16 August 2012. Retrieved 25 May 2023.{{cite web}}: CS1 maint: archived copy as title (link)
