Rosenborg Ballklub (; RBK for short) is a Norwegian professional football club from Trondheim that plays in the Tippeligaen. Rosenborg is Norway's most successful team, having won 23 league titles, nine Norwegian Football Cup titles and played more UEFA matches than any other Norwegian team. RBK play their home games at the all-seaterLerkendal Stadion which has a capacity of 21,400. Kåre Ingebrigtsen was appointed head coach in July 2014.