Marco Walker is a Swiss

Switzerland

Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

 former footballer

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...

 who 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....

 during the 1980s, 1990s and 2000s. He is currently a fitness coach at FC Basel

FC Basel

Fussball Club Basel 1893, widely known as FC Basel is a Swiss football club based in Basel. They are one of the most successful clubs in Swiss football, having won the Swiss Super League 14 times, the third most for any Swiss club. They were most successful in the late 1960s and 1970s, winning the...

.

Walker began playing professionally in 1988 with FC Grenchen

FC Grenchen

FC Grenchen is a Swiss football club, based in Grenchen. They currently play in the 1. Liga, and play their matches at the Brühl Stadium.-History:FC Grenchen was founded in 1906...

 before moving to FC Lugano in 1990. In 1992, he signed for FC Basel

FC Basel

Fussball Club Basel 1893, widely known as FC Basel is a Swiss football club based in Basel. They are one of the most successful clubs in Swiss football, having won the Swiss Super League 14 times, the third most for any Swiss club. They were most successful in the late 1960s and 1970s, winning the...

 and his form there earned him a call-up to the Swiss national team

Switzerland national football team

The Swiss national football team is the national football team of Switzerland...

 and a move to the German Bundesliga

Fußball-Bundesliga

The Fußball-Bundesliga is a professional association football league in Germany. At the top of Germany's football league system, it is the country's primary football competition. It is contested by 18 teams and operates on a system of promotion and relegation with the 2. Bundesliga...

 with TSV 1860 München

TSV 1860 München

Turn- und Sportverein München von 1860, commonly known as TSV 1860 München or 1860 Munich, is a German sports club based in Munich, Bavaria. The club's football team plays in the Second Bundesliga, after relegation from the Bundesliga following the 2003–04 season...

 in 1996. He moved on to Tennis Borussia Berlin

Tennis Borussia Berlin

Tennis Borussia Berlin is a German football club based in Berlin-Westend.- History :The team was founded in 1902 and takes its name from its origins as a tennis and ping-pong club. "Borussia" is a Latinised version of Prussia. In 1903 the club took up football and quickly developed a rivalry with...

 in 1998, then returned to Switzerland

Swiss Super League

The Swiss Super League or Axpo Super League is the top tier of the Swiss Football League. The Swiss Super League is currently ranked 16th according to UEFA's ranking of league coefficients, which is based upon Swiss team performances in European competitions.-Names:-Participating clubs:The teams...

 with FC St. Gallen

FC St. Gallen

Football Club St. Gallen 1879 is a Swiss football club based in St. Gallen. The club is currently playing in the 2011/12 Swiss Challenge League.-Brief history:...

 in 2000. 2002 saw Walker sign for FC Aarau

FC Aarau

FC Aarau is a Swiss football club, based in Aarau. They play in the Swiss Challenge League.-History:FC Aarau was formed on 26 May 1902 by workers from a local brewery. The early days of the club were a success and they won the Swiss championship in 1911/12 and then again in 1913/14...

 but he was by no means a first-team regular, playing just six games in his first season and ten in his second. He went back to Germany in January 2004 with 1. FSV Mainz 05

1. FSV Mainz 05

1. Fußball- und Sportverein Mainz 05 e. V., usually shortened to 1. FSV Mainz 05, Mainz 05, or simply Mainz, is a 1905 founded German association football club based in Mainz, Rhineland-Palatinate. In addition to the football section the 1. FSV Mainz 05 has a handball and table tennis department...

 but he struggled there, also. He played 17 games for Mainz, and ten for the Reserves. He played for amateur Swiss side, BSC Old Boys Basel, from 2005 until 2006 when he retired.

In 2007, he became assistant manager at FC Concordia Basel

FC Concordia Basel

FC Concordia Basel is a Swiss football club based in Basel. The club was founded in 1907. They play in the 2nd regional league which is the fifth level, and their home stadium is Rankhof Stadium....

, but on 16 January 2009, he was appointed as Christian Gross

Christian Gross

Christian Gross is a professional football coach and former player who currently manages Young Boys Bern. Before that he managed VfB Stuttgart until his dismissal in October 2010. He was manager of FC Basel from 1 July 1999 to 27 May 2009.-Playing career:Gross began his playing career at...

' assistant at FC Basel

FC Basel

Fussball Club Basel 1893, widely known as FC Basel is a Swiss football club based in Basel. They are one of the most successful clubs in Swiss football, having won the Swiss Super League 14 times, the third most for any Swiss club. They were most successful in the late 1960s and 1970s, winning the...

. Gross was sacked soon after, however, and Thorsten Fink

Thorsten Fink

Thorsten Fink is a German football coach and former player, currently manager of Bundesliga club Hamburger SV.-Career:...

replaced him. Walker then became fitness coach.