Arsenal hierarchy contacted 20-goal striker on Thursday, response revealed

Arsenal made contact with Atletico Madrid striker Julian Alvarez earlier this week, according to Spanish journalist Gerard Romero.The Gunners have bolstered their attack with Christos Tzolis this summer, and he has made a good impression in his first two appearances.The Greek bagged a couple of assists against Manchester City and played a part in the first two goals against Coventry City on Friday night.Tzolis was signed for £34 million from Club Brugge, and he is already proving a bargain