Arsenal fired themselves into the fourth round of the Carabao Cup with a comfortable victory over Championship side Brentford.
Welbeck’s brace before the break put the Gunners in front. Later Brentford halved the deficit when Alan Judge bent a superb free-kick into the top corner of the net.
Lacazette slotted in a 93rd minute strike for Arsenal to end the game at 3-1.
Arsenal maintain 100 percent success against teams outside the top flight in the competition.
The Gunners are looking more compact as a team, but Unai Emery may yet face one of his biggest challenges when the transfer window opens in January.
Talks between the Gunners board and Welshman Aaron Ramsey’s representatives have reportedly broken down.
Ramsey will be out of contract at the Emirates next season and talks over a fresh deal has crashed.
Ramsey was one of the pillars at Arsenal during the post-Wenger era, however the midfielder has been a bit-part player since Emery emerged the Frenchman’s successor.
Ramsey will be allowed to speak with other clubs from January 1or could wait until next summer and exit the club as a free.
Arsenal return to Premier League action on Saturday. The Gunners will welcome fourth-placed Watford to the Emirates as they lookto continue their excellent run of form.