 Marshall also fields club teams, not affiliated with the Athletic Department, in rugby union for both women and men, men's ice hockey, and a men's lacrosse team.Marshall's biggest rivalries are out of conference with Ohio University, Miami University, East Carolina University, and Morehead State University.In Conference USA, Marshall has a budding rivalry with the Western Kentucky University, Middle Tennessee State University, Old Dominion University, and University of North Carolina at Charlotte, and ten-year rivalries with University of Southern Mississippi and University of Alabama at Birmingham.