Seeing an elite footballer look overweight on his first appearance since helping Argentina reach the Copa América final was an opportunity to bring him down to our level. Mocking the famous is a cherished part of our culture Ever since the legendary hefty goalkeeper William “Fatty” Foulkes prompted the first chants of “Who ate all the pies?” around the turn of the 20th century, little has amused undoubtedly svelte football supporters more than goading players who are carrying a…