Arsenal have completed the signing of Belgium defender Thomas Vermaelen from Ajax.
Vermaelen, 23, joined Ajax in 2004 and has made over 100 appearances for the Dutch club. The undisclosed fee is reported to have been in the region of £10million.
Vermaelen said on www.arsenal.com: "Arsenal is a great club with a world class manager, high quality players and a fantastic stadium."
He added: "Everything is set up for Arsenal to be very successful for years to come and I joined this club because I know Arsenal will be challenging for trophies."
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