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.
Real Betis host FC Porto in the UEFA Champions League League Stage on Wednesday, with three points separating the sides after their opening fixtures.
Second-half goals from Timber, Eze and Saka swept Arsenal past a stubborn Lille side who had kept them at bay for an hour.
