Scary moment for Floyd Mayweather Sr. ... who was hospitalized in Vegas early this morning ... but appears to be okay now, TMZ Sports has learned.
We've confirmed ... emergency personnel responded to a call around 7:30 AM to a coffee shop. The 63-year-old was loaded into an ambulance and transported to a nearby hospital for treatment.
A rep for the Mayweather camp tells us Floyd Sr. was simply dehydrated and is doing much better now. We're told he's not expected to be held overnight.
Floyd Sr. was a pretty good boxer in his own right -- and fought Sugar Ray Leonard in 1978 (he lost though). He eventually became one of the biggest trainers in boxing.
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