RULES
Complete rule sets for every underground and bare knuckle fighting organization. From no-rules to sanctioned bouts, every regulation explained.
BKFC RULES: HOW BARE KNUCKLE BOXING WORKS UNDER STATE ATHLETIC COMMISSION REGULATION
Bare Knuckle Fighting Championship is the world's largest bare-knuckle fighting promotion and the only one that operates under the full oversight of...
CALCIO STORICO RULES: 27 PLAYERS, SAND PITCH, AND 500 YEARS OF CONTROLLED VIOLENCE
Calcio Storico Fiorentino -- literally "historic football of Florence" -- is the oldest organized fighting competition on this site and arguably the...
KING OF THE RING (KOTR) RULES: MANCHESTER'S GRASSROOTS BOXING FORMAT
King of the Ring is the UK's fastest-growing grassroots fighting brand, operating out of Manchester under the motto "Put Down the Knife, Use Your...
KOTS RULES EXPLAINED: WHAT 'NO RULES' ACTUALLY MEANS
King of the Streets bills itself as a "no rules" fighting organization. That phrase has made it the most controversial combat sports platform in the...
MAHATCH FC RULES: BARE KNUCKLE FIGHTING IN THE SANDBAG RING
Mahatch Fighting Championship is Ukraine's entry into the bare-knuckle fighting world, combining the stripped-down brutality of ungloved combat with...
ROUGH N ROWDY RULES: AMATEUR BOXING, NO HEADGEAR, BARSTOOL SPORTS FORMAT
Rough N Rowdy occupies a unique position in the fighting landscape: it is fully sanctioned by a state athletic commission, operates under real boxing...
UNDERGROUND FIGHTING RULES COMPARED: EVERY ORGANIZATION SIDE BY SIDE
Not all fights are created equal. The difference between a BKFC bout sanctioned by a state athletic commission and a King of the Streets fight on...
STREETBEEFS RULES: BOXING, KICKBOXING, JIU-JITSU, AND MMA FORMATS EXPLAINED
Streetbeefs is the largest grassroots fighting organization in the United States. Founded in 2008 by Christopher "Scarface" Wilmore in Harrisonburg,...
STRELKA RULES AND FORMAT: RUSSIA'S GRASSROOTS FIGHTING MACHINE
Strelka is the largest grassroots fighting organization in the world. Founded in St. Petersburg in 2011, it has hosted over 10,000 participants...
TOP DOG FC RULES: BARE KNUCKLE BOXING IN THE HAY BALE RING
Top Dog Fighting Championship is the first and largest bare-knuckle fighting promotion in Eastern Europe. Founded around 2019 in Moscow, it has grown...
HOW WEIGHT CLASSES WORK ACROSS UNDERGROUND FIGHTING ORGANIZATIONS
Weight classes exist in combat sports for a simple reason: size matters. A 250-pound man punching a 150-pound man is not a competitive fight -- it is...