Inter Miami are defending champions in the tournament, which brings together all 47 top-flight teams from MLS and Mexico's Liga MX.
Messi overtook former Barcelona teammate Dani Alves who had won 43 trophies in his career.
Messi had put Miami ahead in the 24th minute with a wonder strike into the top corner but Fafa Picault levelled for Nashville in the second half
Lionel Messi could clinch his first trophy with Inter Miami, just four weeks after making his debut for the club, when his team face Nashville in the final of the Leagues Cup in Tennessee on Saturday.
Argentina superstar Messi took his tally to nine goals in six appearances for Miami in an entertaining semi-final at Philadelphia's Subaru Park.
Inter Miami are defending champions in the tournament, which brings together all 47 top-flight teams from MLS and Mexico's Liga MX.
Messi overtook former Barcelona teammate Dani Alves who had won 43 trophies in his career.
Messi had put Miami ahead in the 24th minute with a wonder strike into the top corner but Fafa Picault levelled for Nashville in the second half
Lionel Messi could clinch his first trophy with Inter Miami, just four weeks after making his debut for the club, when his team face Nashville in the final of the Leagues Cup in Tennessee on Saturday.
Argentina superstar Messi took his tally to nine goals in six appearances for Miami in an entertaining semi-final at Philadelphia's Subaru Park.