Declan Rice's early strike, Kai Havertz's second-half header and Martin Ødegaard's injury time finish were the difference for Arsenal as they saw off Croatian giants Dinamo Zagreb at Emirates Stadium.
A goal in the opening two minutes, one after half-time and another in the dying embers rounded up a solid performance for Arsenal, while Dinamo still have it all to do in order to continue their continental journey.
Declan Rice scored the winner and first Champions League goal of his career in Arsenal's victory over Dinamo Zagreb in the Champions League.
Kai Havertz makes impact as Declan Rice and Gabriel Martinelli shine - The Gunners returned to winning ways in the Champions League
Arsenal are investigating threatening messages sent to the pregnant wife of player Kai Havertz following a loss on Sunday evening
Arsenal all but sealed their place in the Champions League last 16 with a comfortable 3-0 win over Dinamo Zagreb at the Emirates Stadium.
Havertz scored a 9/10 in the Arsenal player ratings and was a constant threat with his intelligent movement and sheer physicality. His performance showed how the character of the German international. Havertz received brutal criticism from fans against Manchester United and has missed big chances in recent matches.
Martin Odegaard was under the spotlight as the Arsenal captain was asked about their transfer plans for January.
Declan Rice scored within the first two minutes, with Havertz and Ødegaard adding goals in the second half to secure a 3-0 win.
The latest Arsenal news as what would have been a crucial late winner for the team in the 2-2 draw was ruled out after a VAR check.
Reports from England have linked Arsenal with a summer 2025 transfer for Real Sociedad and Spain midfielder, Martin Zubimendi.
More than 48 hours after it was made abundantly clear to anyone with a working set of eyes that Kai ... Havertz should have been dismissed in that tempestuous Tyneside clash, Martin Odegaard ...