• Pots set up potential City, Barça, Milan, Dortmund group• Arsenal in among top seeds after play-off victoryArsenal will join the top seeds in the Champions League draw on Thursday afternoon following their victory over Udinese but Manchester City face a tough introduction to life in Europe's elite club competition. Roberto Mancini's side are among the group of third seeds, meaning a potential draw with Barcelona, Milan and Borussia Dortmund.The other English clubs in the Champions League draw are all among the top seeds, alongside Barcelona, Real Madrid, Inter, Porto and Bayern Munich. Trabzonspor complete the line-up in pot four after Fene...