As Arsenal cheerfully take Manchester City's money off them for Kolo Toure and Emmanuel Adebayor, it's a reminder of Arsene Wenger's astute playing of the transfer market.
Click the image on the right to launch our guide.
For while Arsenal fans may worry about how these players are replaced this season, there is little doubt that they can trust Wenger to make his contribution to keeping his club on a sound financial footing.
Here we take a look at some of Wenger's best transfer deals.
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