AFRICAN MIRROR REPORTER LIONEL Messi has described it as the greatest day in 2021, one that he dreamt of many times. He said: "What a beautiful madness ! This is amazing. Thank God ! We are the champions ! Let's go… Vamos !" Football players and fans around the world applauded as Messi led Argentina to a 1-0 victory over hosts and defending champions Brazil in a titanic clash of global football giants in the Copa America Cup. The win at the Maracana Stadium was Messi’s first victory in a major tournament and he could not hide his excitement at…