كتب : Omar AbdelAziz
Cruz, 34, signed a one-year contract with Lazio, who beat off competition from Roma, Fiorentina and Napoli to land him.
Cruz's chances of playing first-team football with Jose Mourinho's team were dented after the recent arrivals of Samuel Eto'o and Diego Milito.
The Argentine's first game will be against his former club Inter in the Italian Super Cup next week in Beijing.