CIF SS D1 semifinals: No. 1 Mater Dei at No. 11 Centennial &
Zack Poff joins Amanda Guerra on CBS HQ to break down the semifinal matchups in the CIF Southern Section Division 1 playoff bracket as No. 11 Corona Centennial (CA) hosts No. 1 Mater Dei (CA) and No. 4 St. John Bosco (CA) hosts No. 7 Servite (CA).