According to Romano, Piero Hincapié has said yes to Arsenal and personal terms have been agreed.

Romano: 

🚚🔎⚪ Piero Hincapié has said yes to Arsenal and personal terms have been agreed, long term deal ready!

Understand Hincapié favors #AFC and also seen as ideal signing by Arteta.

Arsenal prepare opening bid, likely loan + obligation to buy
 with Kiwior to FC Porto, soon.