Clubs: FC Zürich

Under-21 debut: 3-1 v Armenia (04/09/2009)

• A right-back who can also play on the left wing, Koch joined the Zürich youth set-up in 2007.

• Established himself as a regular in 2009/10 and played every minute of the club's UEFA Champions League group stage campaign.

• Scored once in seven qualifying appearances, against Estonia in October 2009.