MADRID, SPAIN - DECEMBER 23: Lionel Messi of FC Barcelona and Cristiano Ronaldo of Real Madrid walk off pitch during La Liga match between Real Madrid and FC Barcelona at Santiago Bernabeu stadium on December 23, 2017 in Madrid, Spain. (Photo by Power Sport Images/Getty Images)
MADRID, SPAIN - DECEMBER 23: Lionel Messi of FC Barcelona and Cristiano Ronaldo of Real Madrid walk off pitch during La Liga match between Real Madrid and FC Barcelona at Santiago Bernabeu stadium on December 23, 2017 in Madrid, Spain. (Photo by Power Sport Images/Getty Images)
MADRID, SPAIN - DECEMBER 23: Cristiano Ronaldo of Real Madrid and Lionel Messi of Barcelona looks on during the La Liga match between Real Madrid and Barcelona at Estadio Santiago Bernabeu on December 23, 2017 in Madrid, Spain. (Photo by TF-Images/TF-Images via Getty Images)
Barcelona's Argentinian forward Lionel Messi (R) walks next to Real Madrid's Portuguese forward Cristiano Ronaldo during the 'El Clasico' Spanish League football match Real Madrid against Barcelona at the Santiago Bernabeu stadium in Madrid on April 10, 2010. AFP PHOTO / PIERRE-PHILIPPE MARCOU (Photo credit should read PIERRE-PHILIPPE MARCOU/AFP/Getty Images)