Can Berta improve Arsenal's transfer market record?

[Getty Images]Over the past few weeks, some of you have shared your disappointment in Arsenal's ability to make money through player sales.Alex Oxlade-Chamberlain's transfer to Liverpool in 2017, reportedly about £35m, still remains the club's record sale - a figure beaten by almost every other Premier League side.In the past 10 seasons, the other 'big six' teams have received more for a player 22 times between them. Arsenal have made decent money from selling academy graduates, including