By Mark Buckingham
Last Updated: 01/01/70 1:00am
Hamburg closed the gap on Bayern Munich after the champions were held at Stuttgart.Hamburg closed the gap on Bundesliga leaders Bayern Munich after the champions were held at Stuttgart.
Bayern headed into the weekend with a six-point advantage, but that has been trimmed by two after they drew 0-0 at Stuttgart.
Sebastian Deisler was sent off for Bayern just before half time as the leaders dropped two points.
In contrast, Hamburg were convincing 3-1 winners at home to struggling Cologne.
Former Tottenham Hotspur defender Thimothee Atouba put Hamburg ahead just before the break, and Benjamin Lauth netted a second on 53 minutes.
Bjorn Schlicke pulled one back for Cologne, but the hosts wrapped up the win through Sergei Barbarez on 73 minutes.
Werder Bremen also cut into Bayern's lead at the summit after a 2-0 success at home to lowly Duisburg.
Nelson Valdez finally broke the deadlock on 63 minutes and Tim Borowski notched the second on 72 minutes.
A 51st minute goal from Denmark international Christian Poulsen was enough to hand Schalke a 1-0 win at Arminia Bielefeld.
Hannover overturned the formbook as they prevailed 2-0 at Borussia Dortmund.
Steven Cherundolo opened the scoring on 16 minutes and Christoph Dabrowski added the second seven minutes from the finish.
Nurnberg gained a much-needed win on the road as they edged Borussia Monchengladbach 1-0 courtesy of a Bernd Thijs own goal on 62 minutes. The visitors also had substitute Bartosz Bosacki sent off in the final minute.