Olivier Giroud, centre, celebrates scoring Arsenal's fourth goal with Joseph Willock, right, and Jack Wilshere. It was the Frenchman's 100th goal for the club. Vasily Fedosenko / Reuters
Olivier Giroud, centre, celebrates scoring Arsenal's fourth goal with Joseph Willock, right, and Jack Wilshere. It was the Frenchman's 100th goal for the club. Vasily Fedosenko / Reuters

Wenger praises 'outstanding' Wilshere and Giroud's 'remarkable achievement' in scoring 100 goals