Inter Miami coach Martino said that while Messi's problem is not serious, he cannot "play freely" in his current condition.
Lionel Messi had not made the trip to Atlanta, after a busy run of games since making his Miami debut in late July.
Last year's winner Lionel Messi made the cut as well after his recent good form for MLS club Inter Miami.
Despite missing Lionel Messi, Inter Miami moved within six points of the playoff positions in Major League Soccer with a 3-2 win over Sporting Kansas City
Lionel Messi stepped up to the task and helped Argentina beat Ecuador 1-0 while scoring a glorious free-kick.
Argentina's boss Scaloni said that the striker is happy with Lionel Messi's move to the United States of America.
Cristiano Ronaldo feels his rivalry with Lionel Messi has come to an end.
PSG's Kylian Mbappe and Haaland's City teammate Kevin De Bruyne also feature among the 30 nominees for the prize, the winner of which will be announced at a ceremony in Paris on October 30.
In the ongoing Saudi Pro League season, Cristiano Ronaldo has the most goals (6) and assists (4) so far in four matches.
Nine months ago, Messi crowned his glittering career by leading Argentina to a World Cup crown in Qatar cementing his status as the greatest player of his generation.