The 36-year-old scored two goals in the first 22 minutes before assisting teammate Robert Taylor in the second.
Recently transferred from the European powerhouse Paris Saint-Germain to Inter Miami, Lionel Messi stunned spectators with a tremendous free kick on his MSL debut. He then backed that up with a brace on his first Inter Miami start.
Inter Miami is into the Leagues Cup round of 32 after the win over Atlanta United.