The Bundesliga side will be reunited with their former striker who was sold to Atletico Madrid in the summer of 2014 .
The Bundesliga side eased through to the knockout stages after winning five of their six group stage games .
The Bundesliga side , who eased through to the knockout stages after winning five of their six group stage games , will be reunited with their former striker who was sold to Atletico Madrid in the summer of 2014 .