Gary Mercer
New Zealand rugby league footballer and coach, and rugby union coach
About Gary Mercer
Born 1966. Gary Mercer is a New Zealand rugby league player.
Gary Ivan Mercer (born 22 June 1966) is a New Zealand rugby league and rugby union coach and former professional rugby league footballer. He is a former defence coach of Glasgow Warriors and a former coach at the SRU working in their Scottish Rugby Academy. As of March 2016, he was the head coach of Biggar RFC.
Playing career In his long career he has represented the New Zealand national rugby league team within rugby league and New Zealand Māori sides and has played for the Leeds Rhinos, Bradford Northern, Warrington Wolves, Castleford Tigers and Halifax.
Challenge Cup Final appearances Gary Mercer played at in Warrington's 14-36 defeat by Wigan in the 1990 Challenge Cup Final during the 1989–90 season at Wembley Stadium, London on Saturday 28 April 1990, in front of a crowd of 77,729.
County Cup Final appearances Gary Mercer played in Bradford Northern's 12-12 draw with Castleford in the 1987 Yorkshire Cup Final during the 1987–88 season at Headingley, Leeds on Saturday 17 October 1987, and played at in the 11-2 victory over Castleford in the 1987 Yorkshire Cup Final replay during the 1987–88 season at Elland Road, Leeds on Saturday 31 October 1987.
Regal Trophy Final appearances Gary Mercer played at in Warrington's 12-2 victory over Bradford Northern in the 1990–91 Regal Trophy Final during the 1990–91 season at Headingley, Leeds on Saturday 12 January 1991.
Coaching career
Rugby League Mercer was also the player-coach at the Halifax Blue Sox, and coach at the Castleford Tigers, his first game in charge was on 25 April 2004, and his last game in charge was on 18 September 2004.
Rugby Union
Glasgow Warriors
Mercer switched to rugby union and became the defence coach for the Glasgow Warriors from June 2005 leaving the Warriors at the same time as Sean Lineen. While he was there praise was heaped on his defensive coaching.
Scotland
He became the Scotland Under-20 assistant coach and worked with the Under-21 side. He then worked for the Scottish Rugby Academy.
Yorkshire Carnegie
He left the Scottish academy in August 2014 to have a brief spell running Yorkshire Carnegie.
Glasgow Hawks
Mercer was the head coach of Glasgow Hawks.
Biggar
Mercer moved on to Biggar.
FUDs
Founding member of the FUDs society, with co-members Toby Harris and Nathan Rainbow.
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Important facts
People in Gary Mercer's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Gary Mercer's
Frequently asked questions
Who is Gary Mercer?
New Zealand rugby league footballer and coach, and rugby union coach
When was Gary Mercer born?
Gary Mercer was born on 22 June 1966 in New Zealand.
What is Gary Mercer's occupation?
Gary Mercer is a rugby league player.
What nationality is Gary Mercer?
Gary Mercer is New Zealand.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Gary Mercer. https://biography.guide/gary-mercer/
MLA: "Gary Mercer." Biography.guide, https://biography.guide/gary-mercer/.
Chicago: "Gary Mercer." Biography.guide. https://biography.guide/gary-mercer/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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