And Mayweather - along with Frank Bruno - was furious with the result, according to Fury's trainer Ben Davison.
He told BBC Five Live: "Floyd Mayweather’s walked out this arena disgusted. That says it all, you know to take something away from someone that’s come from hell and back, to ruin the biggest comeback in boxing history, probably in sporting history, that is a disgrace.
Tyson Fury camp will ask World Boxing Council for investigation and rematch after Deontay Wilder draw
"Honestly disgraceful. Everybody in boxing knows Tyson’s story and we weren’t asking for any bias, we wanted and fair crack of the whip, that’s all we asked for from start to finish and we haven’t got that."
Mayweather was interviewed at the end of the fifth round and was then backing Fury for the win.
He said: "Wilder is dependent on just one shot – he’s looking for one big shot – and as a fighter, you have to use other weapons.
"Fury has the combinations, and a very, very fast jab and is taking his time so it’s looks like, if Wilder doesn’t do anything else, Fury’s going to win if it goes the distance."