The Class 3A state volleyball tournament opens this Thursday at the Denver Coliseum with 12 teams still chasing the 2019 state championship.  The list of contenders includes two unbeaten squads, traditional powers and three programs making their first visit to the state tournament.  We look at all of them in our latest Colorado PrepsCast as we preview the 3A state event.  All PrepsCasts are presented by NAPA and Bank of Colorado.