Complex sentence: It is their first full season with John Toshack as manager and they will compete in the 2013--14 UEFA Europa League as well as the 2013--14 Azerbaijan Cup and 2013--14 Azerbaijan Premier League.
Split into simpler sentences: It is their first full season with John Toshack as manager. They currently taking part in the 2013--14 Azerbaijan Cup and 2013--14 Azerbaijan Premier League.