Arsenal are said to be open to selling one of their highest-paid players for a very small fee this summer. The Gunners will be active in the upcoming transfer window after missing out on the Premier League title to Manchester City for the second season in a row. Mikel Arteta will be keen to strengthen his side, but the Arsenal boss could let a few of his own players leave too. Here’s the latest on one of them. Arsenal are ready to sell Thomas Partey for a small feeThomas Partey will enter the final year of his contract this summer. The Ghana international, who is Arsenal’s fifth-highest-paid p…