Messner, 26, notched eight goals and 29 assists for 37 points with 43 penalty minutes and a plus-three rating in 59 ECHL games with the Atlanta Gladiators in 2019-20. The 6-foot-2, 207-pound blueliner appeared in 32 AHL games with the Providence Bruins in 2018-19, scoring one goal and six assists. Prior to signing professionally, the Lorette, Manitoba native played four seasons at the University of Nebraska-Omaha.