The 2 characters have fought numerous times over the years, with wins going to each of them. However, if we are to take the Ultimate version of Hulk, World Breaker, we know that Hulk did indeed defeat Juggernaut in this format. In the comics, Hulk waged war on the X-men and eventually fought Juggernaut.

Can Red Hulk beat Juggernaut?

The Hulk can be overpowered by the Juggernaut; the Hulk cannot stop the Juggernaut; and most importantly, the Hulk's strength, even at maximum, cannot harm the Juggernaut at his maximum power.

Who has Juggernaut lost to?