The pairings for three DIAA Football championship games have been finalized. In Division 1A,  top-seeded Indian River will play defending state champion and No. 2 Tatnall, which holds the state’s longest winning streak at 24. In the 2A final, top-seeded Caravel Academy will face No. 3 Howard. And in the 3A final, No. 1 Salesianum will play No. 3 Middletown …