The visitors came back from a 1-0 deficit through Daniel Jensen one minute before the break.

Bremen sealed a late win courtesy of goals from Benjamin Auer, 67, and Algerian defender Antar Yahia, 84.

Naldo was shown the red card in the 70th minute leaving Werder Bremen with only 10 men on the field.

The result leaves them second of the table with 36 points, three behind leaders Bayern Munich.

Elsewhere Schalke stormed past Stuttgart 4-1.

Kevin Kuranyi scored twice in the 32 and 52 minutes before Antonio Da Silva pulled one back in the 61st minute.

But Westermann, 76, and Ze Roberto, 90, killed any hopes of a comeback and completed the rout.

Schalke are now fifth with 32 points while Stuttgart are ninth with only 25 points.