Jackson Martínez
Jackson Arley Martínez Valencia (born 3 October 1986) is a Colombian professional footballer who plays as a striker. He started his career with Independiente Medellin, and was the league’s top scorer in 2009. He spent three years with Chiapas before moving to Portugal to play for Porto. He has also played for Portimonense, San Lorenzo de Almagro and Estudiantes de...