Swiss former professional footballer who played as a left midfielder. He has played for the Switzerland national team. Born in Lucerne, Stocker began his youth career with SC Kriens, playing there between 1996 and December 2005. As of January valentin days he transferred to Basel and played for their Under-21 team in the Swiss 1.

Stocker made his first team debut for FC Basel in the Swiss Cup semi-final tie at home to FC Thun at St. 1 away win also against Thun. 09 Swiss Super League season Stocker played 32 games, scoring five goals, but Basel finished just third in the League table, qualifying for the Europa League. 11 season Stocker played 26 League games, marking seven goals, and he won his third championship medal with the club.

But Stocker injured himself on 23 April in the game against BSC Young Boys. This was his 100th Super League match. 0 home victory against FC Luzern and on the same day it was announced that his contract had been extended until the end of June 2016. 13 season Stocker had another highlight in his football career. 14 Super League season was very successful.

Stocker won his sixth league championship title with Basel. On 18 May 2014, Hertha BSC officially announced the signing of Stocker. On 10 January 2018, FC Basel announced that Stocker would return to the club, signing a three and a half year contract dated up until June 2021. 22 season and will remain at the club as an assistant to the sporting director. Five days later, on 22 May, Stocker was substituted in to play the final 14 Minutes of his last professional game. During his time with the club Stocker won the Swiss championship six times and the Swiss Cup four times.

Between the years 2007 and 2014 and again from 2018 to 2022 he played a total of 515 games for Basel scoring a total of 116 goals. Stocker has played international football at various age levels, including Swiss U19 and Swiss U21. He made his debut for Switzerland in Ottmar Hitzfeld’s first match as manager, on 20 August 2008 against Cyprus at Stade de Genève. Stocker was included in Switzerland’s squad for the 2014 FIFA World Cup, making one appearance, starting in the opening match against Ecuador before being substituted out at halftime.