Mater Dei Prep 2017 Football Preview Gallery Mater Dei Prep 2017 Football Preview AA-Main Story Section, Feature Stories, HS Football, Mater Dei, Mater Dei High School Mater Dei Prep 2017 Football PreviewQB George Pearson and Mater Dei Prep look to defend their Non-Public Group 2 State Title in 2017. JSZ’s Alex Lorenzo previews the Seraph’s upcoming season.