For most of his career at Bayern, whom he joined in the summer of 2015 from Shakhtar Donetsk, Costa has been a first team regular, particularly given the injuries suffered by Franck Ribery and Arjen Robben.
However both of the more experienced wingers have stayed fit this season and as such Costa and talented youngster Kingsley Coman have seen their game time decrease.
Speaking to Bild am Sonntag Costa opened up about his frustrations and conceded that he may have to leave in the summer.
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(L-R) Munich's defender Mats Hummels, Brazilian forward Douglas Costa, Polish forward Robert Lewandowski and Spanish midfielder Xabi Alonso celebrate after Lewandowski scored during the German first division Bundesliga football match SC Freiburg vs FC Bay

Image credit: AFP

Bayern Munich winger Douglas Costa has admitted that he isn't happy at the club and may have to leave in the summer, with interest from other clubs in Europe.
"It depends on a few factors, the main factor is the minutes played. Being a parent is a crucial difference within my career project.
"We got some strong offers from China and also from big clubs from Europe. When the season is over, we will sit down and analyse everything. First of all, I am only focused on ending the season with all the titles I can win.
"It is not my idea to leave Bayern now. I want to win titles. I like Bayern and I think I can win titles with Bayern to reach the highest technical level of my career, to go for the Ballon d'Or, the Champions League, the Club World Cup.
"I want to win all sorts of titles and then the World Cup with the Brazilian national team. Then we will think about new markets.

Douglas Costa scores for Bayern Munich - 2016

Image credit: AFP

"I cannot comment on names, but there are contacts with teams from England, Spain and also France. But we respect Bayern. First we want to get together with them and look at what they think of it, and then we make a decision.
"I am still under contract with FC Bayern until 2020, I have three more years. Of course, football is a business, Bayern simply has to accept a bid and the others pay what they have to pay.
"I think England is one of the biggest football leagues in the world - fantastic! Just like Spain's La Liga also, with big players, big teams,
"The language is easier in Spain, but England also has great players. For me it is the best league in the world."
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