Eberechi Eze got his first Arsenal goal as Mikel Arteta's men laboured to beat League One Port Vale 2-0 in the third round of the Carabao Cup.
After Eze struck just eight minutes into the match, it should have turned into a comfortable night for the Gunners against a side who, despite back-to-back wins sit 19th in the third tier, but they struggled to create clear chances until substitute Leandro Trossard finished it off in the 86th minute.
Still it was enough for Arsenal, semi-finalists last season, to progress as they seek to win this competition for only a third time.
Phil Foden and Savinho were both on target as Manchester City cantered to a 2-0 win at Huddersfield.
Foden, who orchestrated for City as a deep-lying centre forward, fired Pep Guardiola's side into an interval lead and Savinho gave the scoreline a more accurate look with 16 minutes to go.
Foden cut through Huddersfield's back line in the 18th minute, playing a one-two with Divine Mukasa on the edge of the box and drilling a shot into the bottom corner.
Savinho delivered a second in the 74th minute. Foden picked him out inside the area and the Brazilian's fierce angled strike beat goalkeeper Lee Nicholls at his near post.
Joelinton and Will Osula both helped themselves to doubles as Newcastle launched their Carabao Cup defence with a routine 4-1 victory over League One leaders Bradford.
The Brazil international struck in both halves with Osula finding the back of the net in between and then again at the death as the holders cruised into the fourth round at St James' Park despite substitute Andy Cook's late consolation goal.
It was a night on which Premier League class told, with the Magpies dominating throughout and, but for the efforts of City keeper Sam Walker, the margin of victory could have been significantly greater.
Tottenham barely broke into a sweat as they eased through with a 3-0 win over Doncaster.
Boss Thomas Frank had promised to have a decent crack at the competition this season and he was as good as his word as Joao Palhinha's improvised strike, a Jay McGrath own goal and Brennan Johnson's stoppage-time breakaway disposed of League One Rovers.
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