I don't have an .mcr save, but I do have the save folder from my PSP. Put this in the SAVEDATA folder. I remember it being a huge pain in the ass to figure out how to convert everything. Hope it works. http://www.megaupload.com/?d=X2BCMPZ2
Son of a bitch, I just loaded it up to check, and it's just the English rename save, not the Monday Night Wars save. Better than nothing, but sorry if I got your hopes up.