Pep Guardiola believes it would be “impossible” for his Manchester City players to have exhibited a better mentality than they have this season. In December, Gary Neville claimed “complacency” had crept into this City side after their 3-3 draw against Tottenham Hotspur due to having won the treble in the previous campaign. At the time, Manchester City had suffered three draws in a row. Pep Guardiola seemingly did not take those comments from Gary Neville lightly [via HaytersTV], stating that the Manchester United legend would realise how “difficult” a task it was to win four league titles in a…