Andre Villas-Boas has admitted for the first time that he could be sacked as Chelsea manager. Villas-Boas has repeatedly insisted he retains the full backing of billionaire owner Abramovich but has now confessed to the first seeds of doubt about whether he would keep his job. Speculation has been rife over the future of Villas-Boas during what is currently Chelsea\'s worst season since Abramovich joined the club in 2003. Saturday\'s Premier League 3-0 thumping of Bolton ended a miserable run of five games without a win and four victories from 14, easing the pressure on Villas-Boas. In an interview with Portuguese radio station TSF which took place two days earlier but which was only broadcast yesterday, the 34-year-old reiterated he felt he retained the \"confidence\" of Abramovich. But he compared his situation to that of Carlo Ancelotti, who the Russian sacked at the end of a trophyless season in May. \"We are now in the exact same moment as last year,\" Villas-Boas said. \"It is an exact copy. \"The pattern of behaviour of the owner has led to a (manager\'s) downfall in similar situations or even \'better\' situations. What will be the reaction? It will be one of the two, a continuation of the project and full support or just the cultural pattern that has happened before. We don\'t know.\" Villas-Boas declared almost two weeks ago that Abramovich\'s support was all he needed to sustain him amid reports of dressing room unrest which have continued to surface. Saturday\'s win saw Frank Lampard admit his relationship with Villas-Boas had \"not been ideal\", while other senior players are said to have had reservations about Jose Mourinho\'s former assistant. New stars in the crosshairs Some of them will not be there next season regardless of whether Villas-Boas stays and the Portuguese is already planning for life without them, revealing Porto star Hulk would be an ideal summer signing. The Brazil forward, who helped Villas-Boas win an incredible quadruple in Portugal last season, fits the profile of the kind of player the Blues boss would like to recruit. Chelsea will almost certainly have space in their forward line next season, with both Didier Drogba and Salomon Kalou currently looking set to leave when their contracts expire. Florent Malouda has a further year to run on his deal but has previously expressed a willingness to move on in search of more regular football. Villas-Boas said: \"We have Kalou and Malouda, both of whom are nearing the end of their contracts, while Juan Mata and Daniel Sturridge are the future. As such, there will surely be a place to fill and I see room for an explosive player on the wing, someone who is strong in one-on-one situations and Hulk fits that profile.\" Porto president Jorge Nuno Pinto da Costa has claimed Hulk has an £85 million release clause, something even Abramovich is likely to baulk at. Negotiating with Porto proved futile last summer when the Blues tried to sign wing-back Alvaro Pereira, with Pinto da Costa reportedly still smarting from Villas-Boas\' decision to quit the Estadio do Dragao for Stamford Bridge. If there had been a problem between them, they appear to have buried the hatchet, with Pinto da Costa having invited Villas-Boas to watch the Portuguese champions\' UEFA Europa League defeat at Manchester City last week.