Eddie Howe’s side produced the ideal away performance ahead of the second leg – but it was a completely different story for the Gunners.
They had 16 shots on goal in the opening hour of proceedings but could not convert any of them, with Martin Dubravka in the Newcastle goal only required to make three saves during that time.
The Gunners continued to pile on the pressure late on but could still not find a way through, with Newcastle winning 2-0.
And Arsenal fans think two attackers in particular should be dropped by Arteta for the second leg on Tyneside.
Supporters namedropped Leandro Trossard and Gabriel Martinelli as the players they think should be out of the starting XI – or even as candidates to leave the club entirely.
One wrote: “Trossard and Martinelli can leave now, not good enough anymore, just pathetic and consistently poor.”
A second said: “Gabriel Jesus, our most in form player, is being benched by Trossard and Martinelli.”
A third wrote: “Sterling surely can’t be worse than Trossard and Martinelli tonight.”
A fourth simply stated: “Martinelli… not good enough. Trossard… not good enough.”
A fifth added: “We need better attackers and that includes better wingers than Martinelli and Trossard.”