BARCELONA, SPAIN - DECEMBER 23: Ronaldinho of Barcelona reacts during the La Liga match between Barcelona and Real Madrid at the Camp Nou Stadium on December 23, 2007 in Barcelona, Spain. Barcelona lost 'El Clasico' 1-0. (Photo by Jasper Juinen/Getty Images)
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VITORIA-GASTEIZ, SPAIN – AUGUST 26: Lionel Messi of FC Barcelona reacts during the La Liga match between Deportivo Alaves and Barcelona at Estadio de Mendizorroza on August 26, 2017 in Vitoria-Gasteiz, Spain. (Photo by Juan Manuel Serrano Arce/Getty Images)
1. Lionel Messi
He broke into the first-team in 2004 and in 13 years, became the G.O.A.T. Period.