Biography Sauerland-promoted PERSON@1 bested PERSON@2 , PERSON@3 and contender PERSON@4 in the build-up and won the vacant title on December NUMBER@1 , NUMBER@2 , in LOCATION@1 , LOCATION@2 against PERSON@5 by a 5th round knock-out .

He won the vacant title on December NUMBER@1 , NUMBER@2 , in LOCATION@1 , LOCATION@2 , beating PERSON@5 , by a fifth-round knockout .
