Top newcomers: Sophomore Jianna Casamento (S/RS); freshman Rachel del Carmen (L).
Scouting report: Casamento will be a welcome addition at the setter position, while Julia del Carmen's younger sister, Rachel, will help the Yellow Jackets on defense.
Key number: 2. Consecutive wins by the Yellowjackets to start the season last year.
2012 record: 6-8, 7-9
Coach: Dennis Seibel, first season
Returning starters: 2
Key losses: MH Ogechi Nwodim
Top players: Senior Cecilia Narrett (OH); junior Kendra Isaacs (S).
Scouting report: Nwodim, who registered 130 kills last season, will be missed by the Dragons, who advanced to the IAAM C Conference semifinals last season.
Key number: 74. Aces by Sarah Gibney last season, a county best. The setter also had 152 assists.
Correction: An earlier version of this article incorrectly stated that 2013 River Hill graduate Cassidy Davis was the last Davis sister to play for the Hawks. In fact, sophomore Brianna Davis will play varsity volleyball for River Hill this season.