Sandro Wagner is back at Bayern Munich and will look to use the club as a platform to become Germany's No 9 for the 2018 World Cup. Karim Jaafar / AFP
Sandro Wagner is back at Bayern Munich and will look to use the club as a platform to become Germany's No 9 for the 2018 World Cup. Karim Jaafar / AFP

From Barkley at Chelsea to Wagner at Bayern Munich, players on the move in bid to stake World Cup claims