The Mavericks are the ECHL affiliate of the National Hockey League's Calgary Flames and the American Hockey League's Stockton Heat.
Robertson rejoins the Mavericks for the third-straight season after posting a career year in 2017-18 with 45 points (26g-19a). The 26-year-old is poised to enter his third season as a professional, having played all but two games of his professional career with the Mavericks. He has totaled 58 points (32g-26a) in 71 career ECHL games.
The Rohnert Park, California native played for Ferris State University during his collegiate career, winning a conference championship during his senior season (2015-16) and was a two-time All-Academic WCHA selection.
Dziurzynski brings a strong resume with him to the Mavericks that includes 26 NHL games, all with the Ottawa Senators. He has also played in 387 AHL contests, totaling 137 points (50g-87a) and 542 penalty minutes.
The 28-year-old is the older brother of fellow Maverick Darian Dziurzynski, who signed with Kansas City earlier this summer. The elder Dziurzynski got his first taste of ECHL action last season, joining the Florida Everblades for 19 regular-season and 18 postseason games.