British boxer Amir Khan beat his American opponent Luis Collazo on points in Las Vegas and has now set his sights on a future bout with the unbeaten Floyd Mayweather.
The judges scored the fight 117-106, 119-104 and 119-104 in the Bolton boxer's favour leaving open the possibility of a future fight with Mayweather - who also won last night at the MGM Grand.
Khan, who is unlikely to fight the unbeaten boxer in September because it is close to the Muslim fasting period of Ramadan, said after his fight: "I really believe I have the style to trouble Floyd Mayweather."
Justin Bieber was among a cast of A-list celebrities attending Floyd Mayweather's world title fight against Saul Alvarez in Las Vegas, and the pop star joined the American boxing champion after his win.
Former undisputed heavyweight world champion Lennox Lewis and one-time WBA welterweight champion Ricky Hatton have slammed a judge's decision in the Floyd Mayweather fight against Saul Alvarez, after he called the bout as a draw.
The two other judges had Mayweather winning the fight.
American Floyd Mayweather has won on points against Mexico's Saul Alvarez, in what could be the highest grossing fight of all time. Mayweather won by 114-114, 116-112, 117-111.
Manchester United's Rio Ferdinand has called the Floyd Mayweather fight against Saul Alvarez a "whitewash", as he wins by a landslide.
Justin Bieber is among a host of celebrities including Hollywood A-lister Jack Nicholson attending the Floyd Mayweather fight against Mexico's Saul Alvarez, which could be the biggest grossing bout yet.
Olympic gold medallist and European heavyweight boxing champion Audley Harrison has tweeted that celebrities have flocked to watch America's Floyd Mayweather take on Mexico's Saul Alvarez in Las Vegas.
American boxer Floyd Mayweather has taken to Twitter ahead of what could be the biggest grossing fight yet, as he takes on Mexico's Saul Alvarez in Las Vegas.
Former undisputed heavyweight world champion Lennox Lewis, US TV personality Larry King and singer Samantha Mumba are among a host of celebrities taking to social media to catch what could be the biggest grossing fight yet, between boxer Floyd Mayweather and Mexico's Saul Alvarez.
American business magnate Elon Musk has flown to see boxer Floyd Mayweather take on Mexico's Saul Alvarez, on a private jet with Justin Bieber, according to his Twitter.
Venture capitalist Shervin Pishevar also joined Musk and his ex-wife Talulah Riley and his brother Kimbal.