LAS VEGAS — Floyd Mayweather is known for his boasts and brash talk.
Against Shane Mosley on Saturday night, the six-time champion delivered.
Mayweather, 33, repeatedly took the fight to Mosley and earned a unanimous decision in the nontitle fight at the MGM Grand. The judges scored the bout 119-109, 119-109, 118-110.
With the win, Mayweather improved to 41-0. Mosley, 38, dropped to 46-6.
On the undercard, welterweight Saul Alvarez (32-0-1) beat Jose Miguel Cotto (31-2-1) with a rapid flurry of head shots late in the ninth round. Alvarez, 19, from Guadalajara, Mexico, rallied from a rough first round to outwork Cotto, the older brother of former champion welterweight Miguel Cotto.
Featherweight Daniel Ponce De Leon earned a unanimous decision over Cornelius Lock, and welterweight Said Ouali stunned Argentina's Hector Saldivia with a first-round knockout.
More bouts: German Marco Huck (29-1) retained his WBO cruiserweight title when he forced American Brian Minto (34-4) to quit before the 10th round in Oldenburg, Germany. … Mexican Juan Manuel Marquez agreed to a lightweight rematch with American Juan Diaz on July 31 in Las Vegas. Marquez (50-5-1) stopped Diaz (35-3) in the ninth round in February 2009 in Houston.