As reported by FourFourTwo last week, the Wanderers have signed the midfielder on loan from Olympiacos in Greece. The deal was officially announced on Tuesday.

The 28-year-old attacking midfielder will wear the #10 jersey for the Red & Black and has already linked up with his new team-mates in Japan where they are on a nine-day tour.

Martinez,who has more than 160 first team appearances, began his career in South America before moving to Europe with Real Murcia in Spain. He has also played in Chile, Greece and Cyprus.

He is the first Argentinian to join the Wanderers and the third South American – including the second to join this off-season after Uruguayan Bruno Pinatares.

“I spoke with the coach and after that my decision was clear”, Martinez said.

“I know that in 2014 they won the AFC Champions League and last season were only one point off first place. I come to a great team: one of the best in Australia.

“I’m very happy. After a long wait it’s happened and now I’m focusing on working with the team. I would like to try and help the team and to achieve the most that we can.”