Cristiano Ronaldo has returned from Real Madrid's pre-season tour of North America with the flu and has been ruled out of Portugal's midweek friendly against Liechtenstein, the Portuguese football federation confirmed on Monday.

The 24-year-old will be replaced by Lazio striker Eliseu for the tie in Vaduz on Wednesday. Eliseu was not named in coach Carlos Queiroz's 18-man squad but won the Italian Super Cup title with Lazio in Beijing on Saturday.

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Cristiano Ronaldo