Complex sentence: It is a charter member of the Futures Collegiate Baseball League (FCBL), a wood-bat league with a 56-game regular season comprising 10 teams from southern Maine to western Connecticut.
Split into simpler sentences: It is a charter member of the Futures Collegiate Baseball League (FCBL), a wood-bat league with a 56-game regular season. The league now comprises 10 teams from southern Maine to western Connecticut.