The 27- calendar year - previous, who netted twice in Colombias four - 1 demolition of Japan, has been linked with moves to Arsenal, Manchester United, Chelsea, Tottenham Hotspur and Atletico Madrid, among the other European sides, this summer.
Martinez only joined Porto from Mexican outfit Chiapas in 2012, but he has taken Portuguese football by storm, netting 46 aims in 60 league appearances for the duration of his first two seasons.
Martinez has yet another two a long time remaining on his existing offer in Portugal, but despite the speculation bordering his potential, he insists his only worry at this moment in time is the Entire world Cup.
"It is not about me, we are just focused and with each other as a staff," stated Martinez.
"I will not consider about my foreseeable future until finally soon after the Globe Cup. I am content with my work so far, but we are with each other as a staff and that is really crucial for us."
Immediately after topping Group C with highest details, Colombia meet up with Uruguay in the past - sixteen at the Maracana Stadium, and Martinez is self-assured that Jose Pekermans side can triumph.
"I believe that Colombia is exceptional to Uruguay, but we need to have to exhibit that on the pitch. It will be a big rivalry and now they will enhance their fight to beat us," he stated.
"Uruguay is a very difficult opponent and we will have to concentrate and be concentrated if we are to attain the quarter-finals.
"We know Uruguays strengths and they know about us, so there will be tiny surprise of advantage for either group."
Martinez also spoke of how fellow South American sides are thriving at this summers event, with Chile, Colombia, Brazil, Uruguay and Costa Rica all reaching the knock-out stages.
He said : "There is no question that this Earth Cup is about the South American groups. It has a South American flavour.
"I am certain that it will be a South American champion. The ailments, the ambiance and almost everything satisfies us. This is a extremely open match thrilling there are aims and wonderful times.
"We feel we can progress," the striker extra.
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