Mater Dei Prep 2018 JSZ Football Preview Gallery Mater Dei Prep 2018 JSZ Football Preview AA-Main Story Section, HS Football, Mater Dei, Mater Dei High School Mater Dei Prep 2018 JSZ Football PreviewLinebacker Shitta Sillah and teammate Izaiah Henderson are both Boston College bound. The duo leads a long list of playmakers on the 2018 Mater Dei Seraphs. Watch their JSZ preview now!