The Dutch star will not play with his National Team this week, and his presence with Bayern for their upcoming UCL matchup vs Porto is questionable.

Dutch international Arjen Robben left Sunday's game against Borussia Moenchengladbach with abdominal pains, and today the team's phisicians have revealed the player will be out for at least six weeks. If this forecast is correct, Robben may end up missing Bayern Munich's Champions League matchup against Porto.

Robben has been key to Bayern's Bundesliga season, topping the standings after 26 games. The Dutchman has scored seventeen times in 21 games, while scoring two more in UEFA Champions League matches. Recently, Robben has been struggling with a number of injuries, being substituted during the club's last Champions League game against Shakhtar.

Club exec Matthias Sammer referred to Robben's current injury, but he is certain the team will perform correctly without him.

"You have to deal with setbacks. That is the feature of a winner and we want to be winners. World-class is hard to replace," Sammer stated.

Robben will end up missing his National Team's matches against Turkey and Spain. The player will also be out of the clash against Borussia Dortmund on April 4 and the DFB Pokal match against Bayer Leverkusen.