London's two capital clubs clash tonight in the Capital One Cup, and with these two side's recent history in the cup, we could be in for a thriller.
Chelsea were involved in a thrilling 5-4 game with Manchester United in last season's competition, while Arsenal recorded an incredible 7-5 victory over Reading having trailed by four goals.
The pair have had some monumental ties in the past.
Incredible comebacks, last-minute winners and surprise victories have made this fixture one of the most anticipated on the calender.
Here GMS counts down five of the best ties between the teams.