The 24-year-old Gallant, currently playing with the Islanders' AHL affiliate, the Bridgeport Sound Tigers, is in his fourth professional season. He is third in the AHL with 174 penalty minutes in 37 games this season.
Overall, Gallant registered three goals, one assist and 327 penalty minutes over 77 games with the Sound Tigers. He has also played for Syracuse of the AHL and Elmira and Reading in the ECHL.
During his time as a pro player over four seasons, Gallant has five goals, four assists and 649 penalty minutes in 143 games.