To prevent and treat football-related cramps, focus on hydration and muscle recovery. First, ensure you are well-hydrated. For supplements, taking oral magnesium glycinate daily or using electrolyte tablets (containing sodium and potassium) before your match can help maintain muscle function. For topical relief, applying a magnesium spray or over-the-counter creams containing menthol or methyl salicylate to your legs can soothe muscles and improve local blood flow. If a cramp occurs, immediately stop, gently stretch the muscle, and massage the area. If cramps persist despite these measures, please consult a healthcare professional.