It all started with the £6 million capture of Glen Johnson in July 2003, and since then Roman Abramovich's Chelsea have gone on to sign a host of the world's finest talent. Since 2003, according to The Sun newspaper, Abramovich has spent a cool £2 billion at Chelsea, with transfer fees and player salaries forming a major part of that outlay. There hasn't been a decade like it in football, and one can only imagine what the next 10 years will bring for Chelsea fans and their Russian owner. Rather than appearing to tighten the purse strings, though, Abramovich's spending continues to rival that of any club across the globe. With the expected return of Jose Mourinho to Stamford Bridge this summer, rumors are abound of a £100 million transfer war chest. The Mirror reports this as part of Abramovich's plan to bring back the so-called "glory days" the Blues experienced under their Portuguese manager. Learn more about your ad choices. Visit podcastchoices.com/adchoices