Arsenal agree £75 million deal to sign Newcastle's Guimaraes - reports

LONDON, Aug 5 : Premier League champions Arsenal have agreed a deal worth £75 million ($99.5 million) to sign Newcastle United captain Bruno Guimaraes, British media reported on Wednesday.Arsenal's opening offer for the 28-year-old Brazil midfielder was rejected earlier this week, but the London club returned with an improved bid and have now reached an agreement with Newcastle, according to Sky Sports.Reuters has contacted both clubs seeking confirmation of the deal.Guimaraes had previously told Newcastle that he wanted to join Arsenal if a suitable offer arrived, reports said. Newcastle were keen to retain their captain, who has two years remaining on his contract at St James' Park as well as an option for a further year.The midfielder joined Newcastle from French side Olympique Lyonnais