Lesieur played most of his professional hockey career with the Providence Reds of the Canadian–American Hockey League (Can-Am) and the International American Hockey League (IAHL/AHL), where he led the Reds to 3 Fontaine Cup titles and 2 Calder Cup championships as a player, team captain and/or player coach.
Lesieur's hockey career was primarily marked by his time with the Providence Reds of the Can-Am and AHL, where he led the team to three Fontaine Cup titles and two Calder Cup championships in various roles as player, captain, or coach.