The hottest and coldest MLB hitters, pitchers, and teams over the last 7 days, ranked by NUT Score — a single number measuring how much production is added to the team. Toggle between Players and Teams, and between Hot and Cold, to see who's heating up and who's slumping. Track anyone on your free Player Tracker, compare any two players side-by-side, or evaluate a fantasy baseball trade using NUT projections — no account required.