San Diego Adult Baseball League - Amateur adult league, team schedules, rule book, fields and standings. Tri-Valley MSBL - Men's senior baseball league, standings, schedules, teams and related information. San Francisco Bay Area MSBL - Senior men's baseball league. Includes standings, schedule, statistics, and news. North County San Diego MSBL - Adult amateur baseball league playing in Northern San Diego County. Broken down into four age divisions. National Adult Baseball Association - San Francisco - Includes teams, schedules, statistics, history, and news. Pacific Coast Baseball League - Adult amateur league. Provides the opportunity for individuals to play in a competitive and regulated league. Redwood Empire Baseball League - Adult amateur league calendar, schedule, statistics and results.