Riedle started his professional career with
Grasshopper Club Zürich, making his first appearance on 11 March 2009 in the
Swiss Super League against
Neuchâtel Xamax. On 4 June 2009, Riedle signed a two-year contract with
VfB Stuttgart. On 25 August 2010, Riedle returned to Grasshoppers. On 5 August 2013, Riedle signed a two-year contract with
Süper Lig side
Akhisar Belediyespor. Although his time in Turkey did not go well as he was only capped as a substitute for three times. In September 2014, Riedle joined German
fourth-tier club
Viktoria Köln. In February 2015, after only earning a single cap in five months, he left Köln again and returned to Switzerland, where he had spent almost a decade of his youth. He joined third-tier club
SC Brühl in
St. Gallen. ==International career==