Bayern Munich have signed Borussia Dortmund left-back Raphael Guerreiro on a free transfer, the Bavarian club announced on Friday. Guerreiro, 29, joins Bayern after seven seasons at Dortmund, where the Portuguese international won two German Cups.

Football Transfers: Raphael Guerreiro joins Bayern Munich from Borussia Dortmund on free transfer

Borussia Dortmund's Marco Reus and Raphael Guerreiro scored a goal apiece to beat visitors Union Berlin 2-0 on Wednesday and maintain their outside chances of securing a spot in next season's Champions League.

Borussia Dortmund beat Union to keep Champions League hopes alive

Borussia Dortmund cruised past Atletico Madrid 4-0 in their Champions League match on Wednesday with two goals from substitute Raphael Guerreiro helping propel them to the top of Group A.

Sparkling Dortmund crush Atletico 4-0 to top Group A

The two sides have met 10 times with their last encounter ending in a goalless draw in 2012

Portugal sweating on injuries ahead of Poland clash