Hopkins said he expected Hatton to "out-hustle Mayweather to a 12-round unanimous decision" in the early hours of Sunday morning, UK time.
"I see something in Hatton, I think he's the more focused fighter," Philadelphian Hopkins told BBC Sport.
"Hatton is going to throw more punches than Mayweather ever did. The busier, more aggressive fighter, will win."
"I see something in Hatton, I think he's the more focused fighter," Philadelphian Hopkins told BBC Sport.
"Hatton is going to throw more punches than Mayweather ever did. The busier, more aggressive fighter, will win."
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