Jackson Arley Martínez Valencia (locally [ˈɟʝaksom maɾˈtines]; born 3 October 1986) is a Colombian former professional footballer who played as a striker. He started his career with Independiente Medellin in 2004 and becoming the league's top scorer in 2009, before being signed by Chiapas in January 2010. He spent three years with the Mexican side before moving to Portugal to play for Porto, where he was the Primeira Liga's top scorer in all three of his seasons with the club.
https://en.wikipedia.org/wiki/Jackson_Mart%C3%ADnez