The NCBL and a number of teams are on Twitter as well, see below :

NCBL - ncbl
Diamondbacks - OttawaDbacks
Dukes - dukesbaseball
Brewers - nepeanbrewers
Ponies - KingstonPonies
Braumeisters - braumeisters
Sweat Sox - SweatSox
Bombers - Bytownbombers
Mavericks - orleansmavs
Athletics - ottawaathletics
Black Sox - OttawaBlackSox
Coyotes - NCBLCoyotes
MVP Royals - MVPRoyals
Panthers - PMA_Panthers
Winchester Sox - winchestersox
Selects- KanataSelects
Knights - Knights_NCBL
Expos - OttExpos and ottawaexpos
Outlaws - ottawaoutlaws
Raiders - ncbl_raiders
Misfits - beausmisfits
Pirates - piratesaylmer
Acadiens - AcadiensNCBL
Coyotes - coyotesncbl
Express - ExpressNCBL