Former multi-time World's Strongest Man Mariusz Pudzianowski has effectively extinguished rumors of a bout against former UFC heavyweight champion Tim Sylvia, as he has been officially announced for a follow-up appearance in the Poland-based KSW promotion.

Pudzianowski, who needed just 43 seconds to defeat Marcin Najman in his first pro bout in Dec. 2009 (video below), will co-headline a May 7 event in Katowice, Poland against a yet-unnamed opponent.

Though some published reports have named Robert Paczkow as his foe, KSW co-owner Martin Lewandowski told MMA Fighting in an email that information was incorrect, and that Pudzianowski's opponent would be revealed within a few days.

The 33-year-old Pudzianowski is one of the biggest sports stars in Poland, after having captured the World's Strongest Man competition in five different years.

Over the weekend, The Boston Herald reported that Pudzianowski-Sylvia would headline an April 23 show in Worcester, Mass., but that seems unlikely with Pudzianowski contractually bound to a show in Poland just two weeks later.