Chelsea defender John Terry feels this year's Premier League is wide open and believes four or five teams are involved in the race for the title.
Terry has featured in both of Chelsea's league games so far this season, with new manager Jose Mourinho guiding his team to victories over Hull City and Aston Villa since his return to the club.
Next up for the Blues is a trip to Old Trafford on Monday, where they face reigning champions Manchester United in a mouth-watering tie.
And despite the Red Devils running away with the Premier League last campaign, Terry feels they weren't made to play at their best to secure the title, and has predicted a far closer battle at the top this season.
"It has got harder. Manchester United ran away with it last year without being at the top of their game," Terry told Sky Sports.
"I didn't see Manchester United as being excellent all season long and in fact they seemed beatable in a few games I watched.
"They have a very good camaraderie in the squad and a never-say-die attitude which stems from being under Sir Alex (Ferguson).
"They scored a lot of late goals but I think it is a very tough league and it is between four or five big teams to really challenge.
With United, Liverpool, Tottenham and Manchester City all victorious in their opening games, Terry was most impressed by last season's runners-up after their impressive 4-0 victory on Monday.
"Manchester City looked good. I watched their game against Newcastle and even though they (Newcastle) were down to 10-men, I though they looked good.
"They are solid and the Etihad is a tough place to go. They have got a good squad and a good base of English players," Terry added.
Chelsea will look to maintain their perfect start to the season when they travel to Manchester, with new United boss David Moyes looking for a positive result in his first game in charge at Old Trafford since replacing Sir Alex Ferguson.
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