Arsenal manager Mikel Arteta says he spoke with Myles Lewis-Skelly on Friday about his first-half substitution against PSV Eindhoven. Lewis-Skelly was booked against PSV and arguably lucky to avoid a second yellow card,

Mikel Arteta has urged Myles Lewis-Skelly to "learn his lesson" and avoid becoming a "liability" again at left-back following his first-half substitution in Tuesday's 7-1 thrashing of PSV Eindhoven.

Arsenal went two games without scoring before plundering seven in Eindhoven on Tuesday with the makeshift front three of Leandro Trossard, Mikel Merino and Ethan Nwaneri all on th