The 20-year-old has become a regular under the Spaniard, who tipped him to go on to bigger and better things
Arsenal manager Unai Emery believes that Joe Willock has what it takes to fill the midfield voids that Aaron Ramsey and Jack Wilshere have left behind.
Ramsey was a stalwart at Arsenal but left the Gunners over the summer to join Juventus on a free transfer.
Wilshere was also at Arsenal for 10 seasons before he left to link up with West Ham ahead of last season.
Editors' Picks
The duo, who patrolled the Arsenal midfield for much of the current decade, left an opportunity that young players like Willock are beginning to seize.