★ the M.G.M. Grand & Casino Arena

Boxing

Business as usual as King Mayweather Beats Berto and retires at 49-0

Mayweather puts some beating on Berto Whoever bet the ranch on Andre Berto, 31-4, 23 k.o.’s, to defeat Floyd “Money” Mayweather, Jr. now 49-0, 26 knockouts, and ruin…