Chelsea owner Roman Abramovich will hand his new manager a £130 million transfer kitty this summer, with Bayern Munich's Arturo Vidal and Everton defender John Stones his top targets, according to The Sun.
The west Londoners are long-term admirers of the latter and remain confident of securing his signature, with the Toffees exploring the possibility of cashing in on their prized asset.
The Blues tried desperately to lure the 21-year-old to Stamford Bridge last summer, but Everton remained defiant and thwarted their advances. A knee injury suffered by Kurt Zouma recently and John Terry's impending departure will see Chelsea test Roberto Martinez's resolve once more, though.
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Stones might be dubious about switching Merseyside for London given the Blues are likely to miss out on Champions League football next season. However, the England international is viewed as the perfect replacement for club legend Terry and such a prestigious opportunity could prove too tempting for the youngster.
Elsewhere, Chelsea technical director Michael Emenalo was in Italy on Tuesday evening casting an eye over Bayern's dynamic midfielder, Vidal. The Chilean has only been at the Allianz Arena since July, but the Premier League champions are expected to start a bidding war for the 28-year-old.
Vidal is widely recognised in world football as one of the best box-to-box midfielders and his tough-tackling approach would undoubtedly be suited to the Premier League's rigours.
Chelsea recently saw Ramires depart for China and with Cesc Fabregas and Nemanja Matic struggling for consistency, a new midfielder could prove imperative.
A combative player capable of filling the famous 'Makelele role', Vidal has won league titles in Chile, Italy and looks likely to see similar success in Germany, with Bayern eight points clear at the top of the Bundesliga.