Barcelona star Neymar has congratulated Floyd Mayweather Jr after the unbeaten boxer extended his winning streak to 48-0 with a unanimous points victory over Manny Pacquiao in Las Vegas on Saturday.

The Grand Rapids, Michigan scrapper eased past Pac-Man in a fight that is expected to set a new pay-per-view buy-rate record for the sport, and Brazil international Neymar took to Instagram to hail the peerless Mayweather.

He posted: "Pacquiao is a amazing fighter but for me Floyd is the one and like we said in Brazil he is "the guy". Thanks for the show guys !! Congratulations my friend !! @floydmayweather."

Meanwhile, Mayweather has claimed that he was a deserving winner against Pacquiao.