BERLIN, Oct 18 (Reuters) - Schalke 04, stung by losing both league meetings with bitter rivals Borussia Dortmund last season, have gone for a low-key approach in the run-up to Saturday's Ruhr soccer derby (1330 GMT). Their meeting is the highlight of a weekend in which Bayern Munich could set a Bundesliga record for the best start to the season by winning their eighth straight game, at a ground where they once suffered their heaviest away defeat. ... More...