Emiliano Martinez was handed an immediate start by Xabi Alonso after his £7.5m move from Aston Villa was announced.The Blues confirmed the arrival of the 33-year-old on Sunday morning, with Martinez signing a three-year deal.Daily Mail Sport reported that Martinez was understood to be eligible to immediately represent Chelsea against Brighton, with sources saying that the goalkeeper was registered before the deadline.Martinez had to be officially signed before 12pm on Friday. Though the club only announced his arrival on Sunday morning, his registration was secured in time. Despite rumours of an injury, Martinez also said in his unveiling that he is fit and ready to go.’We always had the plan to get the best possible squad, and now that we have Emi [Martinez] we are bringing in a goalkeeper of world stature, winning mentality. He is ready to play and here we go,’ Alonso said. Emi Martinez was handed an immediate start for Chelsea after his move from Aston Villa The Blues confirmed the arrival of the 33-year-old on Sunday morning on a three-year deal Martinez had been registered in time to be available to feature against Brighton ‘Yesterday he was in practice; everything was already arranged. And for sure, he is one of those players that doesn’t need that much to adapt. I’m sure he can have an impact.’Martinez’s arrival is expected to see Robert Sanchez leave the club, with the Spaniard conceding two avoidable goals against Fulham on Monday.Sanchez was not named in the Chelsea squad, with Mike Penders named as substitute goalkeeper by Alonso.Martinez, speaking ahead of the match, vowed to help Chelsea to win titles.’I’m delighted to be at this football club,’ Martinez said.’Coming to Chelsea, for me and my family, was an easy decision to make and I’m just over the moon – I can’t wait to get started.’I want to be successful here. I’m someone who wants to win at everything I do and I want to bring that here to this football club because it’s a football club that wins titles, so I think it’s a good match.’I’m all passion and I play with my heart. I will give 100 per cent every game, every training session to make the club, my teammates and the supporters proud.’Martinez has been surplus to requirements at Aston Villa since the club signed Zion Suzuki from Parma earlier this month.Martinez saw a move to Juventus collapse earlier this month despite an initial £6million offer, with Unai Emery happy to press ahead with Suzuki and Marco Bizot as his goalkeeping options.