Mikel Arteta has agreed a new three-year contract to remain as Arsenal manager, sources have told ESPN. The 42-year-old's contract was due to expire next summer, although he told ESPN in an exclusive interview on July 4 that he didn't "predict any issues happening" when extension talks took place and last month added that all parties would address the situation when the transfer window closed. Arsenal have always been confident that Arteta would commit his future to the club but the news will still come as a boost as they try to topple Manchester City and win their first Premier League title since 2004. Sources added that the Spaniard will receive a significant increase on his existing £9 million-a-year ($11.7m) salary. Arsenal have finished second to City in each of the past two seasons and sought to close the gap by adding Riccardo Calafiori and  Mikel Merino over the summer, in addition to the late loan arrival of Raheem...