MMA fighter Marcin Sianos secures a takedown and ground-and-pound in his pro boxing debut

Shocking scenes at the heavyweight fight in Koszalin, Poland! 🇵🇱 MMA fighter Marcin Sianos (0-1) made his professional debut today and landed a hurtful blow on Artur Bizewski (9-0) in the second round before initiating ground and pound, landing an elbow. Subsequently, angry…