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2025 House Baseball and Softball Registration REGISTER NOW. Key Dates LBYBA Mission The mission of the Lake Bluff YouthBaseball Association is to teach the integrity of the game of baseball. The programs of LBYBA focus on developing and improving players baseball skills but even more importantly fostering good sportsmanship and building character for all participants. We believe the life lessons learned on the baseball field are critical tools for the development and growth of our children.