Both at their peaks, who wins? I think Hopkins gives him trouble with his movement and dirty tactics but Monzon earns more points by landing his right hand consistently unable to knock him out, since Hopkins chin is top notch and he's hard to hit flush in the chin. Monzon by close decision, even a draw is possible.
give me hopkins if they fight at the blue horizon. monzon trows him off di balcony during the post fight press conf tho
Hopkins in his prime was an amazingly conditioned fighter with incredible stamina, he could easily have gone 15 rounds if he'd needed to.