Arsenal have signed a 17 year old Welsh U-21 from FA Cup Finalists Cardiff City. Aaron Ramsey was signed for an undisclosed fee on a Maury Wills Jersey long term contract.Aaron has already represented his country at Under-21 level and became the youngest player ever to represent Wales at this level in August 2007, in a 4-3 victory over Sweden Under-21s. He was also recently called up to the full Welsh squad for their friendly international matches in Iceland and Holland but was not used.Aaron rapidly progre sed from the youth sides at Cardiff City and became the youngest player ever to represent the Bluebirds coming on as a substitute in April against Hull City at only 16 years 124 days.Since his debut in the 2006/07 season he has played 22 game for Cardiff even making a FA Cup final apperance as a sub.Arsene Wenger was delighted by the transfer having this to say:Were delighted to have signed Aaron Ramsey. He is a young player who has shown huge potential with his performances for both Cardiff City and Wales at under-17 and Under-21 levels. He is still only 17, but has already shown that he is a very intelligent and mature player with great quality. Although he mainly plays in midfield, Aaron is a versatile player and can also play acro s the defence. We are all looking forward to welcoming Aaron to the Club for our pre-season preparations. Aaron Ramsey on his transfer: Im so happy to have signed for Arsenal. I am joining one of the biggest clubs in the world and cant wait to meet my new team mates. I recently met with Arsne Wenger and he was a big factor in my decision to join Arsenal. He talked to me for a long time about the Club and the plans for the future, which really excites me. Arsenal is a Club which always gives young players an opportunity at the highest level of the game and I am going to work my hardest to be part of future succe ses here. It was a really difficult decision to leave Cardiff City, they are my local club with great supporters and I would just like thank everyone at Cardiff City for their support and help in my early career. I will still look out for their results and there will always be a place in my heart for the Bluebirds. Hopefully Ramsey can continue to develop and in the near future become a part of Arsenals first team. Max Scherzer Jersey