Top 10 Most Expensive Arsenal Signings
9. Mathieu Debuchy – £12 million
New Arsenal boy also makes the list, Mathieu Debuchy joined Arsenal for £12 million in the summer of last year. Mathieu Debuchy had a breakthrough season with Newcastle and attracted the Londoners who splashed out £12 million making him 9th on the list of Top 10 Most Expensive Arsenal Signings.