The Seacoast Mavericks were a collegiate summer baseball team located in Portsmouth, New Hampshire. It was a charter member of the Futures Collegiate Baseball League (FCBL), a wood-bat league in New England. It suspended operation in 2017 pending completion of a sports complex in Dover, New Hampshire. However, in 2019, it abandoned its FCBL franchise.

The Nashua Silver Knights is a collegiate summer baseball team based in Nashua, New Hampshire. It is a charter member of the Futures Collegiate Baseball League (FCBL), a wood-bat league with a 64-game regular season comprising eight teams ranging from New Hampshire to western Connecticut. The team's home games are played at Holman Stadium in Nashua. The team is owned by John Creedon Jr, who also owns the Worcester Bravehearts.