The Spaniard will be donning the No.19 for the Blues.
Chelsea have already been busy in the transfer market this summer and the £32m arrival of Diego Costa from Atletico Madrid has been their most expensive purchase.
The 25-year-old will be tasked with leading the Blues attacking line after the trio of Demba Ba, Samuel Eto’o and Fernando Torres all disappointed last season.
It has also been confirmed what shirt number the striker will be wearing at Stamford Bridge next term.
— Chelsea FC (@chelseafc) July 18, 2014
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