A second match-rigging scandal in German soccer less than three months before the World Cup could be more serious than the initial investigation suggested.
Four people were arrested this week as a result of an investigation into alleged match fixing in the German second division and regional league in connection with a suspected betting fraud.
Runaway Bundesliga leaders Werder Bremen, who have drawn their last two games, will be without injured Swiss midfielder Ludovic Magnin for their trip to strugglers Eintracht Frankfurt on Saturday.
Despite a brave fight from Bayern Munich, Germany are left without a team in Europe and no longer a major force in continental club football.
The times when Bayern Munich felt lonely at the top are over and the multiple German champions can expect fierce competition when the Bundesliga campaign resumes on January 31.
Bayer Leverkusen appear to have woken up from last season's nightmare and are enjoying the view from the top again.
Kaiserslautern believe they can end a turbulent season on a high by denying Bayern Munich their fourth domestic double in Saturday's German Cup final.
Bayern Munich could secure an 18th German title with victory at VfL Wolfsburg on Saturday, but their rivals will try to make sure they have to wait a bit longer.
The German Football League (DFL) won the backing of the entire Bundesliga on Tuesday in their dispute with Bayern Munich over a controversial marketing deal.
Kaiserslautern moved off the bottom of the Bundesliga table with a 5-0 demolition of fellow strugglers Nuremberg on Sunday.
Crisis-hit Kaiserslautern said on Thursday they were selling their stadium to escape ruin but would be saved only if they avoided relegation.