Looking for registration information? Find registration links for 2017 GCL Box Lacrosse Programs below. Three links are shared below, two for GCL registration; one for box lacrosse field/runners and another for box goalies. New to box lacrosse? The third link is for USBOXLA Membership. Please register online, registration with USBOXLA is required for all players participating in GCL Box Lacrosse activities.