Chelsea and Roman Abramovich have been a threat to most other clubs in almost every transfer window since the Russian revolution in 2003.<br />They have spent vast sums of money on world-class talent, but what superstars have the club missed out on before and after the Abramovich era?<br /><br />LOVE FOOTBALL? HIT THE SUBSCRIBE BUTTON FOR THE LATEST TRANSFER RUMOURS AND FAN OPINION<br /><br />- LATEST FOOTBALL NEWS AND GOSSIP: http://www.hitc.com/en-gb/sport/football/<br /><br />- FOLLOW US ON FACEBOOK: https://www.facebook.com/HITCsport<br /><br />- FOLLOW US ON TWITTER: https://twitter.com/HITCsport<br /><br />MUSIC:<br />DRIVE by Nicolai Heidlas Music https://soundcloud.com/nicolai-heidlas<br />Creative Commons — Attribution 3.0 Unported— CC BY 3.0 <br />http://creativecommons.org/licenses/b...<br />Music provided by Audio Library https://youtu.be/llkcBbc3gLU
