The Arsenal manager says reducing up to 60 roles is necessary to keep the club moving forward, but the timing alongside his own new contract has drawn scrutiny.
Lech Poznan host Bayer Leverkusen on Thursday in the UEFA Europa League League Stage, with the sides separated by three points after one match each.
Second-half goals from Timber, Eze and Saka swept Arsenal past a stubborn Lille side who had kept them at bay for an hour.
