Arsenal 0-2 Chelsea Highlights
Azpilicueta gave Chelsea the lead after an Arsenal corner, breaking forward to latch onto Carl Jenkinson’s poor header back and poking in.
Aaron Ramsey fired a shot wide from 25 yards as Arsenal struggled to get a grip on the game.
Mata sealed victory after the hour mark with a sweet strike from 20 yards.
Watch Capital One Cup – fourth round match, Arsenal Vs Chelsea highlights here.