This is a List of clubs in the German Football League, including all clubs who played in the league while its official name was American football Bundesliga. The American football Bundesliga was formed in 1979, consisting of six clubs. It was renamed to German Football League in 1999. From its inaugural season to the end of the 2015 season, 71 different clubs have played in the league, with the Frankfurt Universe becoming the 72nd team to enter the league in 2016. Of these clubs, the Munich Cowboys have spent the most seasons in the league, 35 of a possible 38 as of 2016, followed by the Berlin Adler with 34, both clubs being founding members of the league. The record number of championships, the German Bowl, have been won by the New Yorker Lions, formerly the Braunschweig Lions, with elev