West Ham have announced the loan signing of Juventus striker Simone Zaza on loan.The Hammers have embarked on a wide-ranging search for attacking reinforcements this summer, and the club intensified efforts to recruit a striker following injuries to fellow summer signing Andre Ayew and Andy Carroll. Zaza is the Hammers' 11th summer signing, with Slaven Bilic keen to restructure his playing squad ahead of their first season at the London Stadium. The Italy international will initial long season deal with the option of a €20 million permanent deal automatically triggered after an unspecified number of Premier League appearances.