Claim: Kalmar FF (a Swedish professional football club based in Kalmar) won the most games, with twelve wins, in the 2006 Djurgårdens IF season, while IFK Göteborg (one of the two clubs in the Nordic countries that has won one of the main UEFA competitions), had the least wins, with only nine wins.
Evidence: Founded in 1904, it is the only club in the Nordic countries that has won one of the main UEFA competitions, having won the UEFA Cup in both 1982 and 1987.