Emiliano Martinez has been offered to Chelsea as Aston Villa seek a new club for their want-away goalkeeper.After his move to Juventus collapsed earlier this month despite an initial £6million offer, Martinez is now one of three senior keepers in the Villa squad following the arrival of Zion Suzuki at Villa Park.Martinez is also Villa’s top earner following the departure of Youri Tielemans to Manchester United in July, and Unai Emery intends to press ahead with Suzuki and Marco Bizot.Earlier in the summer, Chelsea boss Xabi Alonso indicated he was happy with keepers Robert Sanchez and Mike Penders.But Sanchez’s shaky display in Chelsea’s 3-2 win at Fulham raised more question marks about the Spaniard. Aston Villa have replaced Emiliano Martinez with Zion Suzuki and he is available for transferAsked about Sanchez on Wednesday, Alonso said: ‘Normal conversations. We have talked more about the team thing, about what we did well and what we have to do better. It was more about understanding the context.’Every game is going to be important because we are in this process that we still need to develop things, we need to make adjustments that are more team-related.’Chelsea have brought 21-year-old Belgian Mike Penders into their squad after a successful loan at Strasbourg last season.Alonso today suggested he is likely to start Thursday’s Carabao Cup game against Luton Town. ‘He’s in the squad and will have an opportunity,’ he said.The Blues rate the former Genk youth shot-stopper, who has been likened to former Chelsea man Thibaut Courtois, very highly.A move for Martinez, at 33 years old, would not be viewed as blocking Penders’ progress.The Argentina goalkeeper has been training with Villa since returning from the World Cup and his club say he is not injured. Robert Sanchez’s position as Chelsea No 1 is under threat after his recent errorsEmery confirmed he has once again asked to leave.’We have signed Suzuki not for the future, but for now,’ the Villa boss said. ‘He has shown his capacity and that he can play at our level.’Martinez transmitted to us the possibility to have another challenge in his career, not just now and even last year, and he was thinking in case he had a possibility to change his challenges, but he stayed and performed fantastic.’This year, again, he transmitted to us for a new challenge, and we signed Suzuki to replace him. But the scenario we have is that we have two great goalkeepers.'(Marco) Bizot as well, when we needed him, he responded fantastically. My ideal scenario with the goalkeeper is really fantastic, but maybe we can still change something.’