Cooper wins if not cut. Lyle was too slow, if not for cuts, Cooper would have had even better career. Considering how successful he was, that is something.
Henry might have a chance of winning a decision against the same 19 fight Lyle who Quarry decisioned.... A more seasoned Lyle probably wins however..
Floyd Patterson took Henry out pretty quick in 4 rds....while Cooper was scrappy I think Lyle bullies him around and he could be one of Lyle's KO victims
Lyle IMO is overrated in this forum. But that said, Cooper would not have the size to get the job done, if both were in their peaks.