Borussia Dortmund could move for out-of-form Chelsea winger Andre Schurrle this summer, [football] direct news understands.The Bundesliga giants are on the lookout for new attacking players ahead of next season, with the news that star striker Robert Lewandowski is set to leave the club for rivals Bayern Munich.Schurrle could be a useful addition for Jurgen Klopp’s squad, with the 23-year-old having previously impressed in his native Germany with former clubs Bayer Leverkusen and Mainz.It was the wide-man’s fine form for Leverkusen last season that earned him his move to Stamford Bridge, though he has failed to make an impression on manager Jose Mourinho since arriving in England.It has now been suggested that Schurrle could make a quick exit from Chelsea, and Dortmund would now appear to be the main contenders for his signature, a club source revealed.I get the impression we would be open to selling Andre if a good enough offer came in, a Chelsea insider explained. “I’ve heard Dortmund are interested, so we’ll see if it comes to anything.”Read more Chelsea transfer news.