Specialties: Extra Innings Watertown -- Metro Boston's finest year round indoor baseball & softball training facility (Batting Cage) -- is dedicated to fulfilling the needs of players of all ages and abilities. Extra Innings state of the art training facility has over 13,000 square feet, which includes six indoor hitting & pitching tunnels, a fully stocked pro shop, members training room, and s...Specialties: Extra Innings Watertown -- Metro Boston's finest year round indoor baseball & softball training facility (Batting Cage) -- is dedicated to fulfilling the needs of players of all ages and abilities. Extra Innings state of the art training facility has over 13,000 square feet, which includes six indoor hitting & pitching tunnels, a fully stocked pro shop, members training room, and softball batting tunnels. Established in 2005. The Extra Innings mission is simple: to improve the performance of baseball and softball players at all skill levels and ages. We do this by providing high-quality personal or group instruction, opportunities to practice in our professional batting cages and tunnels and the ability to purchase top-quality baseball equipment at discount prices. We help to build successful players-and love doing it!see more