Update | Arsenal boss Wenger lauds 'outstanding' Mesut Ozil

Arsene Wenger believes his club record swoop for Mesut Ozil has revitalised Arsenal after the Germany midfielder inspired a 2-0 win over Napoli with his first goal for the Gunners.

Wenger splashed out £42.5 million (HK$533 million) to lure Ozil from Real Madrid on transfer deadline day and the midfielder's arrival in north London has coincided with a remarkable revival in Arsenal's fortunes.

An opening day defeat against Aston Villa looked set to spark unrest among unhappy Gunners fans, but Wenger has managed to get Arsenal back on track in emphatic fashion and he gives much of the credit to Ozil.

Although they were already improving before his arrival, Ozil's presence has given real belief to both his teammates and supporters frustrated by Arsenal's eight-year trophy drought.

Arsenal have won five of their six matches since Ozil's debut at Sunderland last month and Wenger agreed that their impressive Champions League win over Napoli was their most dynamic display in recent memory.

"It was an outstanding first half for Ozil, with individual skill, finishing and the final ball. I just sat there and enjoyed it," Wenger said.