Impressing many in his major junior rookie season, Esposito was touted early as a possible first-overall pick for the 2007 NHL Entry Draft.

[2] However, declining offensive production at the junior level – his points total fell from 98 to 79 – led to him eventually being picked twentieth overall by the Pittsburgh Penguins.

On February 26, 2008, the Penguins traded his NHL rights to the Atlanta Thrashers along with Colby Armstrong, Erik Christensen, and a 2008 first-round draft pick in a trade-deadline deal for Marián Hossa and Pascal Dupuis.

After a strong start with the Montreal Juniors, Esposito was named to Team Canada and competed in the U20 World Championships, scoring the game-winning goal against Sweden in the gold medal game.

After only 12 games in the American Hockey League (AHL) with the Chicago wolves in 2009, Esposito re-tore his ACL causing him to require a second knee surgery.

After producing 7 points in 29 games in the 2012–13 season with the Pelicans, Esposito was mutually released from the remainder of his contract and immediately moved to play in Italy with Hockey Milano Rossoblu from Milan on January 17, 2013.

After taking a years hiatus from professional hockey, Esposito returned to Italy signing a one-year contract with SG Cortina of the AlpsHL on September 5, 2015.

Esposito competed for Team Quebec as captain during his QMJHL rookie season in the 2006 World U-17 Hockey Challenge, capturing gold.

[13] Born in Montreal and raised in Mount Royal, Quebec, Esposito grew up figure skating before beginning to play organized hockey at the age of six.