Chelsea manager Jose Mourinho has defended himself for celebrating with the crowd at Stamford Bridge after Manchester City boss Manuel Pellegrini failed to shake hands following a 2-1 result.Mourinho celebrated Fernando Torres’ late winner – and the extension of his unbeaten Premier League run at Stamford Bridge to 65 games – wildly, leaping into the crowd where he finished the previous home match with Cardiff following his touchline dismissal.DugoutThe Portuguese entered the section of support behind the away dugout, where he says his son has a season ticket.He insists that he meant no offence to City or Pellegrini, with whom he already had a tetchy relationship following their time in Spain.-Chelsea is guilty because I want to buy a season ticket for my son and they give a season ticket for my son behind the opponents’ dugout. They have to give my kid tickets behind my dugout. I promise that I went for him. But this is the drama of the last minute, Mourinho was quoted as saying on skysports.com. Trousers-Last year I beat Man City in the last minute in Madrid, I slid on my knees, I destroyed my trousers. I lost in the last minute against Bayern Munich, somebody put a knife in my back. This is emotion of the game. If they believe that my son is there, great.-If they don’t believe, I apologise if they feel that I did something wrong.Pellegrini was incensed and refused to shake hands with Mourinho at the final whistle.