Pakistan, May 16 -- Fabio Wardley says he has triggered a clause for an immediate rematch with WBO heavyweight champion Daniel Dubois.

Dubois survived two early knockdowns to dethrone fellow Briton Wardley with an 11th-round stoppage in Manchester on Saturday. Both fighters are signed to Queensberry and promoter Frank Warren confirmed after the bout there was a rematch clause.

"The boxing world knows my character, and Saturday night proved that without a shred of doubt," Wardley said on Sky Sports. "It was a fight for the ages, but I made some mistakes that I will rectify in the rematch. Congratulations to Daniel, but I'm coming for you and my belt."

Wardley, who rose from the white-collar boxing scene to world champion inside 10 years...