Too engrossed with the World Cup drama to keep up with goings-on in the transfer market? We’ve got you covered Announced just before England’s soul-sucking semi-final defeat against Argentina , it would have been easy to miss Trossard’s £15.3m move to Istanbul. While, after three and a half seasons and at the age of 31, it feels like his time at Arsenal has come to a natural conclusion, he will be remembered as a player who scored in clutch moments and, ultimately, played a crucial role in the…