Jóhannes Eðvaldsson is an
IcelandIceland , described as the Republic of Iceland, is a Nordic and European island country in the North Atlantic Ocean, on the Mid-Atlantic Ridge. Iceland also refers to the main island of the country, which contains almost all the population and almost all the land area. The country has a population...
ic former international
footballAssociation football, more commonly known as football or soccer, is a sport played between two teams of eleven players with a spherical ball...
player of
EstoniaEstonia , officially the Republic of Estonia , is a state in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia , and to the east by Lake Peipsi and the Russian Federation . Across the Baltic Sea lies...
n descent.
Eðvaldsson started his career with
ValurKnattspyrnufélagið Valur is an Icelandic athletic club based in Reykjavík, Iceland. One of Iceland's most prolific clubs it celebrates its 100th birthday in 2011. The club is situated close to the city centre, in the traditional east side of town, at the old farmgrounds of Hlíðarendi...
in his native land before short spells with
MetzFootball Club de Metz, commonly referred to as simply Metz , is a French association football club based in Metz. The club was formed in 1932 and has spent most of its history in the Ligue 1, though they currently play in Ligue 2, the second level in French football league system. Metz plays its...
of
FranceThe French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
and
HolbekHolbæk Bold- & Idrætsforening is a Danish football club currently playing in Sjællandsserien Pool 1. They play at Holbæk Stadion in Holbæk on Zealand, which has a capacity of 10,500....
of
DenmarkDenmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...
. He moved to
ScotlandScotland 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...
in 1975, joining
Celtic F.C.Celtic Football Club is a Scottish football club based in the Parkhead area of Glasgow, which currently plays in the Scottish Premier League. The club was established in 1887, and played its first game in 1888. Celtic have won the Scottish League Championship on 42 occasions, most recently in the...
after a short trial. He played in almost every outfield position while at Celtic but was most suited to central defence. He was nicknamed "Shuggy" by the fans.