Arsenal midfielder Jack Wilshere says he will leave the club when his contract expires at the end of June.
Arsenal agree a fee - reported to be 22m euros (£19.3) - for Bayer Leverkusen and Germany goalkeeper Bernd Leno.
Champions Manchester City will travel to Arsenal on the opening day of the new Premier League season.
Arsenal are in talks to sign Uruguay midfielder Lucas Torreira from Serie A side Sampdoria.
Former Arsenal captain Patrick Vieira is appointed as the new manager of French Ligue 1 side Nice.
Arsenal are set to sign Switzerland defender Stephan Lichtsteiner from Italian champions Juventus on a free transfer.
Arsenal hope to sign Juventus right-back Stephan Lichtsteiner on a free transfer.