WNBA WNBA playoffs begin tomorrow By Sue Favor - September 5, 2017 Previews: Mystics-Wings preview. Storm-Mercury preview. Karima Christmas-Kelly sees similarities between the 2012 Fever Championship team and the Dallas Wings. Why Dallas and Phoenix are first-round favorites. Sue Bird and Diana Taurasi each take a record-breaking season into a showdown. Player news: Elena Delle Donne is back and better than ever for a postseason run. Players to watch in the playoffs. Six former Duke Blue Devils will compete in the playoffs. Officiating: The 16 officials assigned to the playoffs are listed here.