This one was over long before the end of the first quarter, let alone the half.
Southside scored 31 first half points and blitzed Heritage, 52-22.
Jaylin Coleman returned two first half passes for touchdowns and and Ricardo Savoy added a pair of touchdowns.
Taye Gatewood started the blitz with a 61-yard pass to Ricardo Savoy on the Mavericks' first play from scrimmage with 11:44 left in the first quarter.
Gatewood threw a 14-yard touchdown pass to Nathan Bogner for a 14-0 lead with eight minutes to play in the first.
Linebacker Darin Davenport's interception set up Gatewood's 3-yard run for a 21-0 lead. Conner Robles' 34-yard field gave gave Southside a 24-0 cushion with four minutes left in the first.
Coleman's 78-yard interception return made it 31-0 with 12 seconds left in the first quarter, and Coleman's 69-yard interception extended the lead to 38-0 midway through the second.
Savoy's 74-yard touchdown run made it 45-7.
Gatewood added a 5-yard TD run with four minutes to play in the third, extending the Mavericks' lead to 52-15.