By Matthew Cooper Manchester City are set to welcome back star striker Erling Haaland and midfield maestro Kevin de Bruyne in the New Year in what will provide a major boost to their season. The pair were crucial as Pep Guardiola’s side won a historic Treble, with Haaland scoring 52 goals in 53 games and De Bruyne making 41 goal contributions in 49 games. However, Haaland has missed City’s last six games with a bone stress reaction in his foot, while De Bruyne has been sidelined for months after suffering a hamstring injury in the opening game of the season against Burnley in August. Although …