Arsenal suffered back-to-back home Premier League defeats after Ollie Watkins helped Aston Villa to a 3-0 win at the Emirates Stadium.
Arsenal winger Willian can become a key player for the club in the Premier League despite a slow start, according to manager Mikel Arteta.
Nicolas Pepe scored again for Arsenal, but manager Mikel Arteta wants more from the forward.
Joe Willock made a big impact for Arsenal as they rallied from a goal down to beat Norwegian champions Molde.
Premier League clubs' refusal to allow five changes during matches will prove costly, Arsenal coach Mikel Arteta claims.
Mikel Arteta was an Arsenal player as recently as 2016 but is now at ease with the transition and does not doubt his players respect him.
William Saliba has yet to make his Arsenal debut and Mikel Arteta accepts the situation is frustrating.
Arsenal boss Mikel Arteta was in no doubt his side were worthy winners after Pierre-Emerick Aubameyang scored the only goal at Old Trafford.
Arsenal beat Manchester United in the league at Old Trafford for the first time since 2006 thanks to Pierre-Emerick Aubameyang's penalty.
Manchester United were suffocated by Arsenal on Sunday, with Paul Pogba and Bruno Fernandes again struggling in tandem.