He played a solitary game in the National Hockey League (NHL) with the Carolina Hurricanes.

Without a contract from the Flyers, Mormina began his professional career by playing two seasons with the Manchester Monarchs, the AHL affiliate of the Los Angeles Kings.

On July 9, 2009, Mormina returned to the franchise that originally drafted him, signing a one-year contract with the Philadelphia Flyers.

On September 7, 2010, Mormina signed a contract with the EC Red Bull Salzburg of the Erste Bank Hockey League.

[3] During the 2015–16 season, while in his third year with the Syracuse Crunch, Mormina was traded to the Rochester Americans for future considerations on March 4, 2016.