Wenger said: “Without a doubt, this year will be the most exciting year in the Premier League. After 16 games, there has never been four teams as tight as this.
“For me, all three of our rivals have a chance to win the title — but for different reasons. Chelsea have the quality and the experience — they have done it before, while Liverpool have a chance because they have invested a lot and are keen.
“Manchester United have a chance because they have the individuals and potential to score goals at any moment.
“So, it is difficult to make a judgment between the contenders.”