The London Derby pitting Chelsea against Arsenal has become one of football's recent rivalry owing to the success of both sides in recent years.
Both teams have enjoyed success during certain periods of their existence, with the Blue side the most successful in recent years.
The two have battled to be the top team in the City, and recent clashes have lived up to the billing as key one of the key clashes to look out for.
However, despite the rivalry, there are players who have played for the two sides, and we take a look at some of them who did so in the last decade.
The Brazilian became the latest player to move when he ditched Chelsea for Arsenal on the last day of transfer business during the summer transfer window.
Luiz, who had spent six-and-half years at the club on two separate spells was reportedly told he will not feature heavily under Frank Lampard, and chose to make the switch to help the Gunners who were in desperate need of a defender with Laurent Koscielny having left.
The Frenchman moved to West London after first-team opportunities became limited at Arsenal, but ran into a similar situation at the club with a host of other strikers ahead of him.
He however settled and was key as Chelsea won the Europa League last season, scorign 10 goals including the opener in the final agaisnt his former employers.
Things, however, don't seem to be going right for him under Frank Lampard, and he is keen on ditching the Blues.
The goalkeeper, currently at Chelsea as backroom staff, spent 13 hugely successful years at Chelsea before he was forced to surrender his thrown to Thibaut Courtois.
After a personal conversation with Roman Abramovich, he was allowed to move to Emirates, where he spent four years before making a return to Stamford Bridge.
His last match for the Gunners was against the Blues in the Europa League final, where he conceded four goals as they lost 4-1.
The Gunners captain angered many of the Gunners fans when he decided to join Chelsea from Barcelona.
After spending eight years with Arsenal, he moved back to his boyhood club, Barcelona, but failed to nail down a permanent starting role with the likes of Xavi and Iniesta at their peak.
Jose Mourinho snapped him up in 2014 and he went on to win the English Premier League title twice, under the Portugues and Antonio Conte before eventually moving to France with Monaco.
Anelka is arguably the most traveled player in recent years. He started his career under Arsene Wenger at Arsenal before moving to Real Madrid.
He played for PSG, Liverpool, Manchester City, and Bolton before finding his way to Stamford Bridge, where he enjoyed a near-perfect partnership with Didier Drogba and the likes of Malouda in the all-conquering Chelsea side.
The Israeli midfielder was bought by Chelsea from Liverpool, but he found chances limited at the Bridge. He was loaned out to Arsenal on a one-year deal having made only 14 Premier League appearances.
At Emirates, he managed 19 appearances only as his glittering career, which shone brightest at West Ham and Liverpool, came to an end.
Gallas has played for London's top three sides, Chelsea, Arsenal, and Tottenham. He started with Chelsea in 2001 and was part of the side that won back-to-back titles under Jose Mourinho.
He, however, moved to the Gunners in a deal that saw Ashley Cole move in the opposite direction on transfer deadline day.
He never won anything during his time at Arsenal, before deciding to pack and move to Spurs.
Cole's move from Arsenal to Chelsea is perhaps the most talked-about due to how the whole story unfolded.
He pushed for a move to the Blues and his wish was granted but the fans have never forgiven him up to date.
He won numerous titles at Stamford Bridge including the Champions League.
Diarra joined Chelsea at a young age and failed to convince as chances were few with Claude Makelele in front of him.
He was shipped out to Gunners but did not last either as he was later sold to Portsmouth.
Petit spent time at both London clubs in between some time in Spain with Barcelona.
He first played for the Red half of London in 1997 before moving to play for the Blaugrana. He then returned and spent three seasons at Stamford Bridge from 2001.
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