Club officials confirmed on Friday that the player was called in to answer charges relating to his conduct on the substitute's bench during last month's Champions League game at Bayern Munich. It is understood the 27-year-old was charged with failing to resume warming up when requested by manager Roberto Mancini and he will be informed of the adjudication in writing after the weekend. Tevez was told he had a case to answer after the club launched an investigation into allegations by Mancini he refused to play as a substitute in the second half of the 2-0 defeat at the Allianz Arena. Tevez, who was suspended for a fortnight during the inquiry, denied the allegation and blamed a misunderstanding. The Argentinian said he thought he was being asked to warm up again and he deemed that unnecessary as he had already done so. That Tevez has not been charged for refusing to play suggests City were unable to find sufficient evidence to fully corroborate Mancini's claims, but he will still face sanctions if found guilty. He would, however, be able to exercise his right to an appeal, which would be heard by a board of City directors. Should another ruling go against him at that stage, he could appeal again to the Premier League. That whole process could see the saga run into December. Tevez has been training alone since returning from suspension and there is little prospect of a first-team recall for Sunday's eagerly-anticipated derby clash against Manchester United in the Premier League. Mancini was again unable to answer questions about the situation at his regular pre-match press conference on Friday morning. As has become customary, a club official warned reporters questions relating to Tevez were not permitted. Mancini added: "We have an important game and this is more important." On that subject, Mancini is proud City are now facing United on a level footing. United have held the ascendancy in the city for many years but the Blues actually head into this latest Old Trafford clash with the upper hand as the Premier League leaders. Both clubs have enjoyed outstanding unbeaten starts to the season but City have the edge with a two-point lead over their rivals after eight games. United won when the sides faced each other in the Community Shield in August but it was last season's meeting at Wembley, in the FA Cup semi-final, when City proved they had emerged as serious contenders for silverware. Mancini said: "I think for us it was important not only to beat them in the semi-final - but I think in all the games we played last year, we always played like them. "Sometimes we lost, sometimes we made a draw but it was important we played at the same level. "Derbies are usually different from other games but in this case I think it will be very different. "It is the first time in a long time we can go there at the top and this means good things for us. "But we know Sunday will be a very hard game. "We know United at home are incredible. It is important we go there and are ready to play a good game. "We have to be ready to defend very well because they have fantastic strikers. "I think if we leave Old Trafford with a draw that is good for us but it is not our mentality - the same for United. United and City play to win every game." Mancini also spoke of his admiration for his opposite number Sir Alex Ferguson. The Italian may have strengthened his position at City as a result of last season's FA Cup success and their fine form this term but he feels he could still learn much from Ferguson. "I have big respect for him," said Mancini. "He has won everything for 25 years. "He is a teacher and I am learning from him. It is not only me, but all young managers. "He is 69 and he wants to continue to win. "Every three days he is there concentrating. After every goal, he is incredible. "I think it is difficult to arrive at his age and have the same strength every day. "He wants to win every game, every day he wants to work. That is not easy."
