Making weight differs entirely from recovering to compete. Water weight returns within hours, but cellular dehydration drains stamina, focus, and durability. Replacing fluids overnight cannot automatically restore quick reactions, reliable legs, or punch resistance.
Kell Brook remains the blueprint for this danger. Brook moved up to middleweight against Gennadiy Golovkin in 2016, then dropped back to 147 eight months later for Errol Spence Jr. Brook boxed well early, yet faded when Spence applied body pressure. By round 11, Brook sat out with a broken left orbital bone, having fractured the right against Golov


