Gabriel's 63rd-minute goal – the faintest of touches from a poorly defended Bukayo Saka corner – proved to be the difference between the two sides at a sodden Stamford Bridge.
Mikel Arteta's Gunners sit two points clear of Manchester City (opens in new tab) after 13 games and – with just one round of fixtures left before the league hits pause for the World Cup – will lead the way at Christmas if they beat Wolves (opens in new tab) next Saturday (or if City drop points against Brentford (opens in new tab)).
As for the Blues, after last weekend's 4-1 humiliation at Brighton, they've now suffered successive league defeats for the first time since December 2020 – when they lost to Everton (opens in new tab) and Wolves towards the end of Frank Lampard's tenure.
The pair of results will have served as a double wake-up call for Graham Potter – whose side didn't put Arsenal under any kind of concerted pressure until the last 10 minutes or so – ahead of Wednesday's Carabao Cup Round Three clash with Manchester City and Saturday's tough trip to in-form Newcastle (opens in new tab).
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Tom Hancock started freelancing for FourFourTwo in April 2019 and has also written for The Analyst and When Saturday Comes, among others. He supports Wycombe Wanderers and has a soft spot for Wealdstone. A self-confessed statto, he has been known to watch football with a spreadsheet (or several) open...