Real Madrid in 2009 to Chelsea's 2004 spending spree and PSG's bargain basement collection of all stars last year, more than a few clubs can stake a claim to having had the ultimate transfer window.With that in mind, we're taking a look back at some of the best windows at a single club in the last 25 years, starting with that iconic summer at the Bernabeu 13 years ago.
Signing Cristiano Ronaldo, Kaka, Karim Benzema and Xabi Alonso might sound like something out of FIFA Ultimate Team, but that's exactly what Real Madrid did in the summer of 2009.
Los Blancos splashed the cash to the tune of a cool £187million to bring in that incredible quartet, twice breaking the world transfer record.
Real also acquired Raul Albiol, Alvaro Arbeloa and the less-exciting Esteban Granero (remember him, QPR fans?) in a summer for the ages (and the chequebook).But their spending did prove worthwhile, with Ronaldo, Benzema and Alonso proving worth their weight in gold during their time at the Bernabeu.
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