Spot on.Prime Fergie?
100%
He'd see them both off, he always did.
In fact having two world class managers at our two biggest rivals would have spurred him on to be even better.
If it was SAF in his prime and his best Manchester United side (pick one of many) then that would have been fun to watch.
Remember. He was able to build and rebuild teams and given similar funds to both City and Liverpool then United would have certainly given them a really tough time.
Put it this way. Liverpool would have finished a very poor third and it would have been a close run finished between us and this excellent City side.