BARCELONA, SPAIN - MARCH 08: Lionel Messi of FC Barcelona scores his team's fourth goal during the La Liga match between FC Barcelona and Rayo Vallecano de Madrid at Camp Nou on March 8, 2015 in Barcelona, Spain. (Photo by David Ramos/Getty Images)
BARCELONA, SPAIN - MARCH 08: Lionel Messi of FC Barcelona scores his team's fourth goal during the La Liga match between FC Barcelona and Rayo Vallecano de Madrid at Camp Nou on March 8, 2015 in Barcelona, Spain. (Photo by David Ramos/Getty Images)