There is no doubt right now we have Liverpool as one of the best and strong candidate for the title even Manchester City is competitive team but their performance having some trouble in past which is costing them right now and if they are not able to win against Arsenal then surely things could be not under their control, and they will be lost chance for ending at the top and Liverpool could be in pool position for the title.
Liverpool don't have biggest advantage in this race because Arsenal are the team that temporarily hold the first position. Liverpool have same points like Arsenal but if we say biggest advantage, it goes to Arsenal at the moment. Manchester City actually are not far below Arsenal and Liverpool with only 1 point less than two competitors. I don't say 1 point less is a big disadvantage for Manchester City especially they will host Arsenal at their home stadium next match.
Liverpool is now clearly fighting hard for the two trophies with their strength is good enough for them to have better end in this season and Manchester City and Arsenal both are now facing troubles due to these international friendless which are bringing injuries list long for them as well currently at the top we have all three teams which are having fair chance for ending with double or treble, but this all is never been easy because soccer specially Premier League is never been predictable.
All three teams are playing in Europe, with Manchester City they are defending their Champions League title, with Arsenal they have a first season in quarter final after many years, with Liverpool they are fighting for Europa League title.
Their matches in Europe tournaments can affect their performances in Premier League and a club that have biggest luckiness (no injury) and can use their player resources better will be winner in Premier League. It will be painful if they go to a final match in Europe and lose Premier League title and lose that final match too.