American boxer Floyd Mayweather Jr. looks at his phone during the final news conference for his fight with Canelo Alvarez at the MGM Grand Hotel/Casino in Las Vegas, Nevada. AFP PHOTO
LOS ANGELES: The world’s highest paid athlete Floyd Mayweather puts his perfect record on the line when he squares off against Mexican dynamo Saul Alvarez in a showdown between two undefeated boxers on Saturday (Sunday in Manila).