Reports have suggested Saudi club Al Hilal have made a multi-million pound offer to lure the midfielder to the Middle East, while it is understood Chinese side Guizho Renhe have made an official approach to the 32-year-old.
Last week Cahill turned down turned down a 16 million dollar (£10.3million) three-year deal from an unnamed club in Saudi Arabia.
The midfielder, who played a starring role in Australia's 1-1 draw in their World Cup qualifier against group leaders Japan today, has made no secret of his desire to one day play in the Middle East.
He has two years remaining on his contract at Goodison Park and is happy at the club he joined in 2004 but it is believed he would consider a move overseas.
Germany is one of the top teams ever and they will play the US on Sunday.
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The hoop soccer jersey is classic and cool. The USA hooped jersey is perfect for every fan. Get in the Gear.
Support the USA national team with an official 2013 Centennial soccer jersey from Nike. Its Official.
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The adidas Nitrocharge is the most talked about new cleat in years. It was released on May 15 and will take your pitch by storm.
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Jamaica is in need of a win against the U.S. Get the jersey of the Reggae Boyz.
The USA will wear their blue away jersey against Jamaica in their World Cup qualifier on Friday night.