Arsenal are set to pay Newcastle United more for Bruno Guimaraes than has been publically revealed. Bruno Guimaraes to sign four-year Arsenal deal for around £80mMatthias Jaissle is losing his captain (Image credit: Getty Images)ESPN Brazil journalist Bruno Andrade has provided an update on Mikel Arteta's new signing, after previous stating that the deal was all but completed by weekend. “There are a lot of details involved in this transfer and many bonuses that Newcastle are not planning to make public,” he explained. According to Andrade, Bruno will sign a four-year deal with Arsenal, with the option of a fifth year on the table at the end of his contract – perhaps given his age. It's champions vs champions on the opening day of the Premier League season, as Arsenal face Coventry City on Matchday 1.