While Luis Ferrer was handcuffing the Dunbar Tigers over the first two innings, Mariner batters were rounding the bases with regularity Friday afternoon.
The Tritons scored 10 runs in the first two innings of a 12-2 blowout victory over the Tigers in their regular season finale.
Ferrer wound up with his first mound victory of the season after striking out five in his two innings of work. Jason Pickett contributed two hits, including a double, while Jacob Martin and Chris Mulvey each drove in two runs.
As the No. 3 seed, the Tritons (13-11) have a date with No. 2 Cape Coral Wednesday night at Mariner in the semifinal round of the District 5A-13 Tournament.
Top seed Cypress Lake takes on the winner between 4-5 seeds Lemon Bay and North Fort Myers, which play Tuesday trying to advance.
The champion will be crowned after Friday's 7 p.m. final game.
Dunbar 000 20 - 2 4 1
Mariner 190 2x - 12 10 1
W - Ferrer (1-4). L - Gustkey.
2B - Pickett (M).
District 6A-13: Riverdale, the No. 3 seed, rallied to defeat No. 1 seed Fort Myers 7-6 Friday night at Ida Baker in the championship game.
Riverdale hosts Naples in the Region 6A-4 quarterfinal round on Wednesday while Fort Myers travels to Barron Collier for its quarterfinal match.