The spending spree continues ... now TMZ Sports has learned Floyd Mayweather dropped another $400k on a brand new Rolls-Royce so "his 14-year-old daughter can ride in style."
Here's what we know ... Floyd called up Obi Okeke at Fusion Luxury Motors around 2AM a few days ago and ordered up a clean white 2015 Rolls-Royce Wraith.
Okeke says Mayweather explained that he'd be giving the car to his daughter's mother -- because he wants the kid to "ride in style."
Okeke tells us he IMMEDIATELY started moving on the car -- and shipped it to Vegas later that day.
"When his daughter and [the mother of his child] saw the car, they went nuts," Okeke says ... "They were so appreciative and thankful."
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