Lionel Messi was back in action for Inter Miami on Saturday at long last with the Argentine already at his best for the Herons. The reigning Ballon d’Or holder scored twice and assisted another in a 3-1 win for Inter Miami against the Philadelphia Union, with Messi already looking like the best player in MLS despite not playing a league game in three months. Although Messi said he was feeling tired after the game, the Inter Miami captain is expected to feature tonight for the Herons away to Atlanta United, with the 37-year-old also set to play on the weekend at New York City FC. And manager Ta…