Arsenal and Tottenham, two rivals steeped in history, will look to keep pace with one another at the top of the English Premier League this weekend.
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The two north London rivals sit together on 12 points from their first five matches, two points clear of Manchester City, Chelsea and Manchester United.
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Both sides have invested heavily in the transfer market this summer and though they each lost one match, they have begun to repay their initial outlay.
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Arsenal take their squad, including Mesut Ozil, to Swansea, while Tottenham take on Chelsea at White Hart Lane.
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The arrival of Ozil, for 42 million pounds (67 million dollars) from Real Madrid, has galvanised an Arsenal side that rebounded from an opening-day defeat by Aston Villa with four straight wins.
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The Germany forward has impressed in his outings so far and manager Arsene Wenger believes his side's togetherness helped them bounce back to reach the top of the table.
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"The fact that we could say 'look guys, we have been together for a while, we know that we have bounced back before, let's do that again'. That is where the stability is important," Wenger said.
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"I would say mental togetherness, desire to win, motivational level and hunger, and of course on top of that, quality.
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"I believe maybe the shock of the first home defeat as well, but overall if you consider the long-term run we are on since March you can say that this group has been remarkably consistent. That shows some special quality in my opinion."
Arsenal Football Club did very well in their last game so I must say they've really improved. Thery are doing very well....