We can dream of a top European coach coming in, I just don't see that happening. Much more likely a known MLS coach (most likely American).

If Bill decided to bring back the past the two top coaches have been Greg Vanney and Chris Cummins.

The most winning coach is TFC history was Greg Vanney. He might welcome a return if he had actual control. He's not doing well in LA, but it's not all his fault, there's factors beyond his control for that.

The next most winning coach was Chris Cummins. He might want to come back now that Mo Johnston isn't in charge. He's currently managing a non-league team in England whose main stand looks like this: