Arsenal are keen on signing a winger in the summer transfer window, and one long-term target could be back on the agenda. Mikel Arteta is keen on adding a speedy wide option to his squad, with Nico Williams of Athletic Bilbao linked, but a player he previously tried to sign is seemingly available this summer. Xavi Simons excelled on loan at RB Leipzig from Paris Saint-Germain this season, and his long-term future is unclear. It now appears that PSG want to loan him out again. Arsenal tried to sign Simons last summer after an excellent campaign at PSV Eindhoven, but they were left frustrated as…