Jason Sosa pulled off a shocker by knocking out undefeated champion Javier Fortuna in the eleventh round to capture the WBA super featherweight world title in a fight held in Beijing, China.

Sosa (19-4-1, 15 KOs) put away Fortuna (29-1-1, 21 KOs) with a right hook that stopped the champion in his tracks, and then he followed it with a left that sent him to the canvas, and although Fortuna stood up on his feet and beat the count he was clearly hurt and his legs were not under him, so the referee stopped the fight.

It was the second defense for Fortuna after retaining the belt last September against Carlos Velazquez.

The event was part of the activities of the General Board Meeting of of the WBA. Sosa, who was coming off a draw with Jamaica's Nicholas Walters from last December.

In the co-featured attraction, Nehomar Cermeno (24-5-1, 13 KOs) of Venezuela picked up the WBA super bantamweight world title with a knockout of Jun Qui Xiao (20-3, 9 KOs) in the twelfth and final round.