There was one class in Minnesota high school baseball from 1947 until 1975. Two classes started in 1976. Expanded to 3 classes in 2000 and the current 4 classes in 2016.
#1 seed is Caledonia while #2 seed is La Crescent. Defending Section 1AA Champion Cannon Falls is #8 seed, Pine Island #4, Zumbrota-Mazeppa #3, Randolph #12.