LONDON, Oct. 18 -- Fabio Wardley used the rematch clause in his contract to force a second fight with Daniel Dubois, and it ended in the second round. Afterwards, IBF heavyweight champion Filip Hrgovic told reporters that Wardley should retire.

Dubois retained the WBO heavyweight title at the O2 Arena on Saturday, according to Sky Sports. A right cross put Wardley on one knee in the opening seconds. In the second round Dubois pinned him in a corner and hammered right hooks to his head until Wardley's trainer, Ben Davison, threw in the towel and the referee rushed in to stop it.

The result was the reverse of May, when Dubois twice climbed off the canvas early on before stopping Wardley in the 11th round to take the title. "I had bad inte...