[2] Sorg took over for Robin Dutt as head coach of Bundesliga side SC Freiburg when Dutt left for Bayer Leverkusen[4] and had his first practice on 20 June 2011.

[6] Between 2013 and 2016, Sorg was the head coach of the Germany national under-19 team, winning the 2014 UEFA European Under-19 Championship while in charge of the side.

[7] On 18 March 2016, he joined the Germany senior national team as second assistant coach to Joachim Löw, and following the 2018 FIFA World Cup was promoted to first assistant.

He remained in his position with coach Hansi Flick, until they were dismissed on 10 September 2023.

[8] On 29 May joined as the assistant of Hansi Flick, in the Futbol Club Barcelona.