"His morale has increased and he is shooting better in training.cheap ghd Hair Straighteners"Chelsea manager Roberto Di Matteo believes his side holds a mental edge over Barcelona ahead of their Champions League semi-final tie.The sides have a colourful history and many Chelsea players have spoken of 'unfinished business' to attend to following their controversial stoppage-time loss to Barcelona in the 2009 Champions League semi-finals.Brazil Away Soccer Jersey 12/13 Andres Iniesta's late strike sent Barcelona through to the final, which they won, but a series of controversial refereeing decisions ensured tempers flared in the aftermath.With that in mind, Di Matteo insisted Barcelona had traditionally found Chelsea's style of play 'difficult' to counter and said that could lead to problems for the visitors in the first leg at Stamford Bridge on Wednesday.CHI Tribal Zebra Flat Iron Pink"I think they don't like to play against us, the results in the past have shown that because the way that we play is a little bit more difficult for them to play against," Di Matteo said.