No one saw that coming! Robert Lewandowski, one of the finest European strikers, wants to leave Bayern Munich after spending more than seven years with the German giants, Sky Sports reported on Thursday morning.Robert Lewandowski (©Lars Baron/Getty Images)According to their sources, he wants a new challenge away from Bayern Munich, but the club has valued him at KSh15 billion.Lewa, who turns 33 on Saturday, is happy at Bayern but wishes to move to another top European club before the age of 35.MORE TO FOLLOW SOON…