By Per Ake Persson

The Sauerland Brothers, Kalle and Nisse, announced on Twitter that the fight billed as Bad Blood is on: Danish super middleweights Patrick Nielsen (27-1) and Rudy “Hardhitter” Markussen (39-3-0-1) will trade punches on December 12th at the Brondby Hall on the outskirts of Copenhagen.

The 38-year old Markussen came back after an almost three year layoff in September and won on a first round knockout over Ramazi Gogichashvili, while Nielsen outscored Samir Santos Barbosa on a show billed as "Collision Course" - which Team Sauerland put together to create steam for this fight, and now we have "Bad Blood."

The fight is made at a catch-weight of 170.5-pounds, which most observers feel benefits Markussen, who´s been fighting at 168 and 175 for most of his career while Nielsen is up from middleweight.