Vasyl Lomachenko has defended his WBO and WBA lightweight titles.
He beat Anthony Crolla in the four rounds at a fight in Los Angeles.
The fight was waved off after Crolla went down less than a minute into the fourth round.
It followed a hard right hook by Lomachenko.

100 horses to compete in 30th Dubai World Cup
Mercedes driver Antonelli storms to second consecutive pole in Japan
Tiger Woods out on bail after arrest on suspicion of DUI
Iranian players hold schoolbags in protest over slain girls
Barcelona's Raphinha to miss Champions League quarters due to injury
