Including the previous franchise, this was the sixteenth season of the club playing professional soccer in the New York metropolitan area.

They won the Fall Championship, and became the 2013 NASL Champions by winning the Soccer Bowl.

On June 18, 2013, Cosmos played their first friendly of the season, defeating Newtown Pride FC 6–0.

[1] On July 1, former United States men's national soccer team midfielder Danny Szetela agreed to join the Cosmos.

[4] Three days later on July 24, Cosmos played their second friendly in England against Leyton Orient, losing 2–1.