IOWA CITY, IA -- Iowa Hawkeye wrestler Steve Mocco was named co-Big Ten Wrestler of the Week Wednesday, sharing the honor with Indiana's 184-pounder Viktor Sveda. Mocco, a true freshman from North Bergen, NJ, is undefeated (18-0) at heavyweight this season. He recently won a title at the Midlands Championships and is 5-0 in dual competition.    Mocco and the Hawkeyes will host Oklahoma State Jan. 11 at 7 p.m. in Carver-Hawkeye Arena. Tickets for the dual are available through the Iowa Athletic Ticket Office at 1-800-IA-HAWKS or 1-800-424-2957.