Association of Football Federations of Azerbaijan
He traveled to Turkey to play for Kayserispor for the 2005–06 season. He was loaned back to Neftchi in January 2006. He played once at the start of 2006/07 season, but planned to go back with Neftchi, again. Sadigov failed to notice that the Association of Football Federations of Azerbaijan had changed the deadline of the transfer window, so he changed to play basketball to keep his fitness.