Ben Haim reunited with his former manager Avram Grant Defender is West Hams fourth signing of summer so farWest Ham have signed the Portsmouth defender Tal Ben Haim on loan until January.The 28-year-old, who has been reunited with his former manager at Portsmouth and Chelsea, Avram Grant, is the Hammers fourth summer signing. Ben Haim joins the German midfielder Thomas Hitzlsperger, Mexican winger Pablo Barrera and French forward Frederic Piquionne in moving to Upton Park.West Ham have promised their summer spending is not over. The club hope to complete the signing of a "young international who represented their country to distinction at the World Cup" this week."West Ham United are delighted to announce the loan signing of Israel defender Tal Ben Haim and can confirm the club are close to securing another international player," read a statement released by West Ham. "Ben Haim is the fourth new face in Avram Grants squad in what has been a busy summer of arrivals. He is an experienced centre-back with a strong character. He can play across the back four and will provide top-level competition for the clubs existing defenders."With the ink barely dry on Ben Haims contract, club officials stepped up their bid to secure a fifth signing this close-season and hope to have the deal finalised within the next 72 hours. The potential recruit is a young international, who represented his country to distinction at the 2010 Fifa World Cup."West Ham UnitedTransfer window guardian.co.uk © Guardian News & Media Limited 2010 | Use of this content is subject to our Terms & Conditions | More Feeds