Foreman is the weakest of the 154 champions and Ricky is a big name and seen as shot. If Ricky had the right trainer, a good camp and conditioning - who wins?
Foreman. He's not great by any means, but he's quick and sharp. If Santos was slow and sluggish at 154, then I'm pretty certain Hatton would be aswell. There's no way he would win this fight now.
Just because Foreman doesn't have much power doesn't mean he isn't a world class boxer. He actually is kind of a throw back type fighter. He's as technically sound as you'll find fighting today and has great stamina and resolve. Hatton at 154 would get absolutely emabarrased for 8 rounds or so and then get stopped by the light hitting Foreman.
I think as of late Hatton has come under disrepute unfairly. He WAS a very dominant Jr. Welter for some time, and he looked good at Jr. Welter. However, he never looked great above Jr. Welter. He did pretty well against Mayweather for the first 6 rounds or so, but then again, Maywether isn't the hardest hitting Welter and despite that we all know how that one ended. Above Jr. Welter has always been dangerous for Ricky. Foreman isn't all that special, but I think he would have beaten a prime Hatton soundly at 154. Hatton simply has no business fighting above Jr. Welter.
Foreman is not the weakest champion.He would beat Spinks and would have a good chance against Dzindruk and Martinez. Hatton is way too small for Foreman and even his style would not be helping