WATCH: Floyd Mayweather FaceTimes Nate Diaz About Conor McGregor

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Retired undefeated former pound-for-pound king Floyd Mayweather continued his classic smack-talking form as he ripped into UFC star Conor McGregor again, this time speaking to Nate Diaz, the man who forced McGregor to tap out back at UFC 196. Check out what went down here: