Porto striker Jackson Martinez is reportedly considering his long-term future, reports Sky Sports.

The Colombian has been in sensational form since his transfer to Porto from Mexican club Chiapas in the summer of 2012.

The big striker has scored 43 times in just 53 appearances for Porto and many of Europe's big clubs have been tracking Jackson, including Chelsea and Liverpool.

Chelsea boss Jose Mourinho is reportedly looking for a striker, although Samuel Eto'o is starting to find from and Fernando Torres is looking revived- well, at least before he got injured.

Yet it wouldn't be a surprise if Chelsea launched a bid for Martinez.

The Blues, however, will face competition from Liverpool, who are also said to be tracking the Colombian.

Recently, Martinez gave an interview adding fuel to the speculations.

"The years are passing and one day I hope to make a good transfer," he told Portuguese newspaper Record.

"It clearly depends on Porto, a club that sells its players so well. Leaving or staying depends on Porto but I will only go if there's something concrete."

Aged 27, Martinez is close to reaching and could one day leave Porto, but his new suitors will have to stump up around £35m for the hot-shot striker.

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