Floyd Mayweather was snubbed by Warren Buffett before his championship fight Saturday night, because the billionaire and his company had issues with the champ, weed and women.

Sources connected to both Mayweather and Buffett tell TMZ ... the mogul had agreed to walk Floyd into the ring ... accompanied by Justin Bieber and Wiz Khalifa. In fact, we're told Buffett was excited to be part of Team Money.

But our sources say Buffett's company, Berkshire Hathaway, had problems with the spectacle, primarily because of a Mayweather documentary -- "All Access." Buffett is featured in the flick with Floyd ... and the very next scene shows Money carousing with women while his posse rolls joints.

The documentary didn't sit well with Buffett's people -- they felt it reflected badly on their boss. We're told at around 10 A.M. Saturday ... Warren agreed and 86'd his plan to walk Floyd into the ring.

After Floyd found out Buffett bailed ... he decided to walk out alone.

Buffett still went to the fight and was with Floyd in his dressing room before the bout.

*This article provided to Doghouse Boxing from our friends at http://www.tmzsports.com/

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