The clash between Portuguese giants Porto and Sporting comes under the microscope as FIFA.com continues to profile some of the biggest club matches in world football.
Three goals in the last 12 minutes helped Guimaraes come from behind and snatch a thrilling 3-2 win at Sporting Lisbon tonight.
Sporting Lisbon maintained their 100 per cent record in UEFA Europa League with a comprehensive 5-1 win against Gent in the Portuguese capital.
Benfica will begin 2010/11 as favourites, but Porto are confident they can deny them a second straight title after victory in the Super Cup, while Sporting have made some interesting signings.
Goals by Marko Reus and Maniche meant Cologne and Borussia Monchengladbach shared the points in a result that was of little use to either side.
Maniche will miss Cologne's meetings with Bayern Munich, Mainz and Borussia Monchengladbach after receiving a three-match suspension.