Lionel Messi has won the men’s Ballon d’Or for a record seventh time.   The Argentine superstar, who left Barcelona as a free agent to sign for Paris Saint-Germain in the summer, was presented with the award for best men’s footballer in the world on Monday night in Paris.   Back in July, the 34-year-old ended his long wait for a major international trophy by winning the Copa America with Argentina as they beat hosts Brazil in the final.   …