How many league titles has the Norwegian professional football club for which Jan Christiansen played in Trondheim won?
Rosenborg BK Rosenborg Ballklub, commonly referred to simply as Rosenborg (] ) or (especially locally) RBK, is a Norwegian professional football club from Trondheim that plays in the Eliteserien.The club have won a record 24 league titles, eleven Norwegian Football Cup titles and have played more UEFA matches than any other Norwegian team. RBK play their home games at the all-seater Lerkendal Stadion which has a capacity of 21,400. Kåre Ingebrigtsen was appointed head coach in July 2014.
AFC Ajax in European football AFC Ajax is one of the most successful football clubs in Europe. There are only three clubs in the history of the game to have won the European Cup/Champions League titles (won four times by Ajax) three times consecutively. Only Real Madrid and Bayern Munich have achieved this feat aside from Ajax. Furthermore, Ajax have won the UEFA Cup Winners' Cup once, the UEFA Cup once, the UEFA Super Cup three times, the Intercontinental Cup twice and the International Football Cup once. The club has also appeared in three additional finals finishing as runners-up. In the 1979–80 season, Ajax player Søren Lerby was top scorer of the European Cup with 10 goals. Below is a list of all official European matches contested by Ajax.