The River Plate number one, understudy to Roberto Abbondanzieri for the Copa America finalists, has joined the Rome outfit on a five-year contract.

"I wanted Lazio and Lazio wanted me," Carrizo, 23, told La Gazzetta dello Sport. "They showed this by carrying out a lengthy and difficult negotiation.

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31/08/2007 AT 10:59

"Now I hope to repay the confidence they showed in me."

The transfer may come as a surprise to Lazio fans accustomed to the tight ship run by club president Claudio Lotito, who is careful with finances after the previous free-spending reign of Sergio Cragnotti - which led the Biancocelesti deep into debt.

Peruzzi retired at the end of last season, leaving coach Delio Rossi keen to bring in a quality shot-stopper as his team ready themselves for the Champions League qualifiers.

Carrizo is understood to be preparing to apply for Spanish citizenship.

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