Jackson Arley Martínez Valencia (pronounced [ˈɟʝaksom maɾˈtines]; born 3 October 1986) is a Colombian professional footballer who plays as a striker for Chinese club Guangzhou Evergrande Taobao and the Colombian national team.He is often nicknamed "Cha Cha Cha" for his dance-like moves on the pitch. Noted columnist Tim Vickery describes him as "an out-and-out goalscorer, a front-to-goal centre-forward who can finish off both feet." He was Primeira Liga's top scorer in all three of his seasons with Porto. Wikipedia
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