155-pound bout won by Canelo Alvarez over Alfredo Angulo by 10th-round technical knockout at the MGM Grand in Las Vegas.
Referee Tony Weeks called an end to the fight 47 seconds into the round.
Alvarez (43-1-1, 31 knockouts) was coming off a majority-decision loss to Floyd Mayweather Jr. in September, while Angulo (22-4, 18 KOs) was last in the ring for a 10th-round stoppage loss to Erislandy Lara in June.
Alvarez and Angulo were 155 and and 154.5 pounds at the pre-fight weighin. Alvarez re-hydrated to 170 compared to 174 for Angulo.
Alvarez had an overall advantage in total punches (295-to-104), power shots (117-to-78) and jabs (98-to-26).
The “Toe to Toe” broadcast is set to begin at 9 p.m. ET/6 p.m. PT.