Bieber's been training with the boxing legend for years -- but Mayweather says the most impressive part of the fight video isn't JB's form ... "He showed he got heart."
We use cookies (or similar technologies) to measure our audience, enhance your browsing experience and provide you
with advertising based on your browsing activities and interests on this and other sites.
By clicking “accept,” you agree to such purposes and the sharing of your data with our
EHM Productions Inc. Affiliates. You can modify your cookie preferences at any time.