Arsenal created a four-point gap over third-placed Manchester City after a 2-1 win at the Emirates on Monday.
Arsenal goalkeeper Petr Cech believes the team's win against fellow Premier League title contenders Manchester City was a "six-pointer."
Theo Walcott and Olivier Giroud scored the goals in a 2-1 win at the Emirates on Monday, which moved Arsenal four points clear of third-placed City in the standings, while also keeping the Londoners two points Leicester City.
Cech was unable to keep a clean sheet as Yaya Toure struck a late consolation, but the Czech Republic international lauded Arsenal's performance in the victory.