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.
Second-half goals from Timber, Eze and Saka swept Arsenal past a stubborn Lille side who had kept them at bay for an hour.
Villarreal and Napoli both sit on zero points in the UEFA Champions League League Stage after one match apiece, making Tuesday's fixture at Estadio de la Ceramica a significant early test.
