The rumour mill had suggested likely successors may have already been approached, but union officials remain tight-lipped.
Names thrown around in rugby circles include former coach Jason Caskey and his deputy Jason Hamlin. Long-time Steelform Heartland manager Chris Back was in the dark about any recent developments after only just returning home from managing the successful New Zealand Heartland XV on Sunday night.
Meanwhile, Hoskin's father, Wanganui union chairman Dave Hoskin, who has stood aside from any debate over the issue for reasons of transparency, has been in Europe following the All Blacks tour.
A recorded message on Cobb's union office telephone yesterday said he was on sick leave until 9am this morning.