Ajax striker Klaas-Jan Huntelaar has returned to Schalke, reports official website of the club.
The 37-year-old Netherlands player has agreed to a deal until the end of the season and will feature as number 21.
From 2010 to 2017 the forward has played for Schalke. In 240 games for the Gelsenkirchen-based club Huntelaar scored 126 goals.
The player had previously indicated his intention to end his career at the end of the season.
