Gonzalez defeats Hirales to retain belt

Roman Gonzalez scored a fourth-round knockout of Ramon Hirales to keep his WBA junior flyweight title on Saturday.

The 24-year-old Gonzalez (32-0, 27 KOs) defeated the 29-year-old southpaw Hirales (16-4-1, 9 KOs) in his third title defense.

Hirales has dropped two consecutive fights and three of his last four.