Arsenal full-back Matheiu Debuchy has aimed a sly dig at Chelsea for allowing Petr Cech to join the Gunners, claiming that the 33-year-old will now help them take the league title from Jose Mourinho's side.
Cech joined Arsenal in a deal worth around £10 million earlier this month, much to the surprise of Chelsea fans who believed he wouldn't join a direct rival.
Boss Jose Mourinho revealed that if it was up to him then he wouldn't sell to Arsenal, however Cech reportedly had an agreement in place with owner Roman Abramovich which allowed him to pick his next club after more than ten years of loyal service at Stamford Bridge.
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The Gunners finished third in the Premier League last season and are now pushing to win their first title since 2004, something Debuchy thinks is now possible with Cech on board.
'Petr is a very good keeper with massive experience,' the French international told the Arsenal official website. 'He has a lot of quality and is a complete goalkeeper.
'I think [Arsenal can challenge for the Premier League] and I hope so too. We have all the chance to win the Premier League.'
Earlier this week former Chelsea midfielder Frank Lampard expressed his belief that Cech could be the difference for Arsenal next season. "He can help push Arsenal into the running next season," Lampard told the Sun.
Arsenal boss Arsene Wenger now faces a tough choice over which of his goalkeepers to let leave. Colombian David Ospina made the number one jersey his own towards the end of last season ahead of Wojciech Szczesny, however it seems as though it is the Polish international who will be staying put.
Ospina has been linked with a move to Everton and admitted that is was a 'great possibility' that he could head to Goodison Park, although he hasn't given up on his Arsenal career just yet and welcomed the arrival of Cech.
He said: "Now an excellent keeper has arrived who I admire. During my holidays I'm analysing a lot of things and then I'll have a conversation with the manager.
"For me it will be an honour to play alongside a keeper with that experience. A goalkeeper keeps learning every day."
In truth Arsenal have needed a top quality goalkeeper for some time, and Cech sorts that problem out in an instant. Sadly Ospina could have been that man but he won't have the chance to develop - a luxury that was afforded to Szczesny.
The Colombian was pretty solid all round last season apart from a few mistakes, and he could well be the long term future in goal. However Arsenal are preparing for now and a title challenge, so the future has been put on hold.