Chelsea manager Jose Mourinho believes Arsenal are ready to challenge for the Barclays Premier League crown this season.

Arsene Wenger has delivered three Premier League titles since replacing Bruce Rioch as manager in 1996, but the Gunners have finished no higher than third in each of the last 10 seasons as the Frenchman often shunned big-money signings in favour of developing young talent.

Arsenal finished 13 points behind Chelsea last season as the Blues won the Premier League at a canter, but Mourinho believes the arrival in recent years of the likes of Mesut Ozil, Alexis Sanchez, Calum Chambers and Mathieu Debuchy for more than £100million means the Gunners are ready to challenge for league honours.

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"If you add up the amounts clubs have spent in the last three or four years I think maybe you will find a surprise," Mourinho, who allowed goalkeeper Petr Cech to join Arsenal in an £11million deal last month, said in the Guardian.

"If you put Ozil plus Alexis Sanchez, plus Chambers, plus Debuchy, you will find a surprise.

"It's a fantastic squad with good players, fantastic goalkeeper, they are more than ready to be a title contenders."