It was the night Carlos Tevez was reintroduced to the Premier League but, for Manchester City, it was only a sideshow to the real story of what this night means for them. This was the moment when they made it very clear they are not just going to crumple now that the advantage is with Manchester United and, by the end, they made their point with a record 20th Premier League home win in succession.At one stage it had looked absolutely dire for the side that have led the league for so long this season. Gary Cahill had scored after an hour for a Chelsea side that had rediscovered the art of winning football matches, and this had looked like a te...