One Arsenal player is said to have agreed to sign for Premier League rivals Newcastle United this summer. The Gunners are gearing up for the final day of the Premier League season. Sunday will either give us fans a lot of joy or immense disappointment. Either way, Arsenal are expected to be active in this summer’s transfer window, and one player seems to have decided on his next club. Arsenal star Aaron Ramsdale has agreed to join Newcastle UnitedArsenal star Aaron Ramsdale has had a very difficult season. The England international was the Gunners’ undisputed number one for two years. He start…