Sam – There are a few Midrashim to that effect. For example, Bereishis Rabbah 20:5: “????? ???? ??? ???????”, and ibid 95:1: “?? ?? ????? ???”? ????? ??? ???? ????? ????”. If you want to fit this in with the Rambam I think that Wolf’s approach is the best way to go. (One could also split hairs and say that these Midrashim are referring to the time of techiyas hameisim, and the Rambam l’sihtaso holds that techiyas hameisim is not necessarily going to be at the same time as the coming of mashiach.)
