About Jón Dagur Thorsteinsson

Jón Dagur Þorsteinsson (born 26 November 1998) is an Icelandic professional footballer who plays as a winger for German 2. Bundesliga club Hertha BSC and the Iceland national team. He is the son of Þorsteinn Halldórsson.

Career
On 25 June 2019, Danish Superliga club AGF announced that they had signed Þorsteinsson on a three-year contract.

International career
In October 2018 he was named in Iceland's squad for the matches against France and Switzerland.