The 2026 New Mexico high school baseball playoffs begin with round of 16 action for the classes 1A-4A on May 8. Class 1A action begins on May 6. High School on SI has brackets and matchups for all classifications before the first pitch is thrown. The 2026 NMAA state championship games begin on May 16th at the Lobo Field at the University of New Mexico. Full brackets for each classification are linked below. 2026 New Mexico (NMAA) High School Baseball Playoffs: State Championship Brackets, Schedules, Scores NMAA (New Mexico) Class 5A Baseball Championships Round of 16 — Best of 3 Rio Rancho vs. Atrisco Heritage Academy — 05/08, 4:00 PM Mayfield vs. Los Lunas — 05/08, 6:00 PM Centennial vs. Las Cruces — 05/08, 6:00 PM Piedra Vista vs. Clovis — 05/08, 4:00 PM La Cueva vs. Hobbs — 05/08, 4:00 PM Carlsbad vs. Organ Mountain — 05/08, 5:00 PM Eldorado vs. Rio Grande — 05/08, 4:00 PM Cleveland vs. Sandia — 05/08, 4:00 PM NMAA (New Mexico) Class 4A Baseball Championships Round of 16 — Best of 3 Artesia vs.…