India, May 1 -- Four teams are vying to join Bayern Munich and Borussia Dortmund in the Champions League next season and a host more are fighting for survival in the Bundesliga.

Last-placed Heidenheim could be relegated this weekend, possibly replaced by second-division leader Schalke, which can seal promotion.

There are no games on Friday as it's May Day, traditionally a day of demonstrations and worker protests accompanied by a heavy police presence across Germany. May Day falls on a Saturday next year, when there will be no matches at all over the whole weekend because of the anticipated security requirements.

Saturdays and Sunday's games are unaffected this year. The Women's Bundesliga is also unaffected, with Union Berlin visiting...