Champions Bayern Munich will vote in favour of an external investor for the German Football League to help “shape the future of the Bundesliga”, club CEO Jan-Christian Dreesen has said. The 36 top flight and second division clubs will vote on the controversial issue at their assembly on Monday in a third attempt to bring in fresh capital. Former DFL boss Christian Seifert was unsuccessful in the past and there was no two-thirds majority at a vote in May. For Dreesen, bringing in an investor is a necessity to keep the league competitive while some other clubs and even more fan groupings are str…