Zob Ahan have been placed in a testing group alongside Al Shabab, Al Rayyan and Emirates, while Gamba Osaka must negotiate a pool including Jeju United and Melbourne Victory to reach the knockout phase of the AFC Champions League.
Contenders handed tough draw (http://www.fifa.com/worldfootball/clubfootball/news/newsid=1348151.html?cid=rssfeed&att=)