[4] His playing career was spent mostly in the German Bundesliga with Werder Bremen and Hamburg, as well as a brief spell in Spain's Segunda División with Atlético Madrid.
Born in Leuggern in the canton of Aargau, Wicky started his career with Sion, and went on to represent Werder Bremen.
[6] After only eleven games in Spain, he returned to the Bundesliga on 6 December 2001, signing for Hamburger SV until the end of the season with the option to extend until June 2005.
[7] He returned to Sion on a three-year contract on 23 August 2007, after losing first-choice status with Hamburg under manager Huub Stevens following a period of injury.
[8] Wicky signed on a free transfer with Los Angeles–based Major League Soccer side Chivas USA in February 2008.
[18] Days later, the team wrapped up an eighth consecutive league title,[19] and on 25 May won the Swiss Cup with a 3–0 victory over Sion at the Stade de Genève.