John "Jock" McStay is a Scottish

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

 former professional football

Football (soccer)

Association football, more commonly known as football or soccer, is a sport played between two teams of eleven players with a spherical ball...

er. He played as a defender

Defender (football)

Within the sport of association football, a defender is an outfield player whose primary role is to prevent the opposition from attacking....

.

McStay played for nine clubs in a sixteen-year professional career before moving into junior

Scottish Junior Football Association

The Scottish Junior Football Association is an affiliated national association of the Scottish Football Association and is the governing body for the Junior grade of football in Scotland. The term "Junior" refers to the level of football played...

 football with Glenafton Athletic

Glenafton Athletic F.C.

Glenafton Athletic are a Scottish football club, based in New Cumnock, Ayrshire. Formed in 1930, their history has been characterised by local success, with some national success too.-History:...

 in 2000. He went on to become assistant manager to Peter Hetherston

Peter Hetherston

Peter Hetherston is a Scottish former professional footballer who played as a midfielder.-Career:Hetherston played over 350 league matches during his seventeen-year playing career, appearing for eight different clubs...

 at Albion Rovers

Albion Rovers F.C. (Scotland)

Albion Rovers Football Club are a Scottish football team from the North Lanarkshire town of Coatbridge, who are currently playing in the Scottish Football League Second Division...

, one of his former clubs.

He had an on-field altercation with Duncan Ferguson during a Scottish Premier Division

Scottish Premier League

The Scottish Premier League , also known as the SPL , is a professional league competition for association football clubs in Scotland...

 encounter between Rangers

Rangers F.C.

Rangers Football Club are an association football club based in Glasgow, Scotland, who play in the Scottish Premier League. The club are nicknamed the Gers, Teddy Bears and the Light Blues, and the fans are known to each other as bluenoses...

 and Raith Rovers

Raith Rovers F.C.

Raith Rovers Football Club is a Scottish professional football club based in Kirkcaldy, Fife. They are members of the Scottish Football League, currently playing in the First Division, having secured promotion from the Second Division as champions in 2009. Rovers have won one national trophy, the...

 at Ibrox Stadium

Ibrox Stadium

Ibrox Stadium is a football stadium located on the south side of the River Clyde, on Edmiston Drive in the Ibrox district of Glasgow. It is the home ground of Scottish Premier League club Rangers and has an all-seated capacity of 51,082...

 on 16 April 1994. Ferguson, of Rangers, headbutted McStay, of the visiting Raith, in the south-west corner of the Ibrox pitch. Referee Kenny Clark and his linesmen missed the incident, hence Ferguson avoided a dismissal, but he was subsequently charged with assault and, as it was his fourth such conviction, he served three months in prison.