Floyd Mayweather supports gay marriage

From TMZ: Floyd Mayweather is squaring off against Manny Pacquiao ... and once again it's NOT in the ring -- this time they're fighting over gay marriage.

With the media still buzzing over Manny's controversial condemnation of gay marriage... Pretty Boy Floyd released a counter-statement on Twitter saying: "I stand behind President Obama & support gay marriage.  I'm an American citizen & I believe people should live their life the way they want."

There's a champion...