McKay is 27 and has scored 66 goals in 146 league games up here which is 1 in 2.2. He would be a great signing.
I don't think we need him when we have McDonald (56 in 151, 1 in 2.6 for us) and Moult (15 in 33, 1 in 2.2) as first choices but if either of them leave he would be a good option.