Enzo Maresca made a huge mistake as Chelsea lost 2-0 to Manchester City on Sunday. The Chelsea Chronicles explains why it must not happen again. The Blues went into the game as underdogs but Pep Guardiola’s side were without Rodri and Phil Foden, providing optimism of a positive result. However, Erling Haaland’s 18th-minute goal soon put to bed the idea that it was a good time to play against the reigning champions. Chelsea were second-best for much of the encounter, though they did have a few decent chances to level the scoring. That being said, all hope was lost when former player Mateo Kova…