Arsenal will go into Week 14 of the Premier League top of the table, following a narrow 1-0 win at Brentford.
The Bees maintained a tight and sturdy defensive formation, which kept the Gunners at bay.
Mikel Arteta’s team appeared to be going home with a draw after Leandro Trossard had a goal disallowed for offside.
However, in the 89th minute, Bukayo Saka’s cross was redirected in by a substitute header from Kai Havertz.
The triumph brings Arsenal to 30 points, one more than Manchester City, who played out a 1-1 tie with Liverpool in the early kick-off.
Other results from today’s games included a 4-1 thrashing of Chelsea by Newcastle, a 3-2 victory for Brighton over Nottingham Forest, and a 2-1 victory for Luton over Crystal Palace.