The WNBA’s milestone 30th season tips off tonight with a three-game slate that starts with the Connecticut Sun visiting the New York Liberty. The Liberty are heading into this season as favorites to go all the way under first-year head coach Chris DeMarco , who left the NBA’s Golden State Warriors for New York. They’ll be down a few key players to begin the season, with Sabrina Ionescu (left foot), Satou Sabally (cyst) and Rebecca Allen (left leg) all ruled out of today’s home opener. On top of that, Leonie Fiebich and Raquel Carrera won’t join the Liberty until their season with Spanish club Valencia Basket wraps up later this month. Sun vs. Liberty: what to know When: May 8, 7:30 p.m. ET Where: Barclays Center (Brooklyn, New York) Channel: ION Television Streaming: DIRECTV (try it free) Britney Griner will make her regular season debut for the Sun tonight after signing a one-year contract in the offseason .…