He has played for the Atlanta Thrashers and Ottawa Senators of the NHL, but has spent most of his career in the AHL.

Lessard is generally known as an enforcer for his physical style of play and his ability to protect his teammates during a game.

[1] Drafted from the QMJHL's Val-d'Or Foreurs, Lessard's rights were traded to the Philadelphia Flyers in 1999 while still at junior level.

He spent three seasons with their AHL affiliate the Philadelphia Phantoms before he was traded to the Atlanta Thrashers.

Lessard played 91 games over four seasons with Atlanta before moving to the New York Rangers organization in 2006.