Extra Innings: One of the Oldest Baseball Training Franchises in the US

Extra Innings, founded in 1996 in Middleton, Massachusetts, is one of the oldest indoor baseball and softball training franchises operating in the United States today.

Quick Facts

Field	Detail
Founded	1996, Middleton, MA
Tier	Tier 4 Elite Training Facility
Scale	25 plus locations, concentrated in New England
Website	extrainnings.us

What the Network Offers

Indoor year round training with professional instruction staff including former and current professional players, college All Americans, and college and high school coaches. Select locations feature advanced technology — the Watertown, Massachusetts location has confirmed HitTrax and TrackMan access.

Facility Standard

The flagship Middleton location features 35 foot ceilings and 18,000 plus square feet of indoor space with batting tunnels, representing a substantial facility investment relative to smaller independent training operations.

Finding Your Local Extra Innings

Search the Basecademy directory by state or use the parent brand filter to find verified Extra Innings locations near you.

Sourced from extrainnings.us and individual location websites, confirmed as of July 2026.