Rules Explained
Weight Cutting and Weigh-Ins Explained: Why Fighters Make Weight
Official vs ceremonial weigh-ins, penalties for missing weight, the IBF's fight-morning check, ONE's hydration tests and why weight cuts worry doctors.
weigh-ins
MMA
UFC Weight Classes Explained: Every Men’s and Women’s Division
Every active UFC division with its weight limit, the one-pound non-title allowance, catchweights, and the Unified Rules classes the UFC does not use.
Boxing
Boxing Weight Classes Explained: All 17 Divisions From Minimumweight to Heavyweight
All 17 professional boxing divisions with limits in pounds and kilograms, their alternate names, how the Original Eight grew, and where bridgerweight stands.