Mariner entered the bottom of the seventh inning trailing 4-3 before Dominic Grim stepped to the plate and delivered a two-run, walk-off base hit to lift the Tritons to a 5-4 victory over Cypress Lake Friday night.
The Tritons made the most of their few hits and baserunners as Jimmy Meredith (2-0) pitched two innings in relief with two strikeouts to earn the win.
The Tritons (5-4) travel to Ida Baker on Tuesday.
Cape Coral 4, Ida Baker 2: A three-run rally in the seventh inning Friday night netted Cape Coral a come-from-behind victory over city rival Baker.
Matt McDade and Spencer Roach each drove in a run for the Seahawks. Andrew Jaffarian contributed two extra-base hits while scattering six hits over seven innings to earn the complete-game decision on the mound.
Matt McGarty took the loss for the Bulldogs in relief of Dakota Kayatta.
The Seahawks (6-4) travel to Port Charlotte while Baker hosts Mariner, both on Tuesday.
North Fort Myers 5, Lely 4: Jake Park hit a walk-off single to score two runs in the seventh inning as North Fort Myers rallied to edge Lely Friday night.
Dalton Williams drove in two runs with a single earlier in the game while Peyton Bourque added two base hits. Brandon Pelletier (1-0) tossed two hitless, scoreless innings in relief to notch his first win of the season.
The Red Knights (2-8) host Cypress Lake on Tuesday.
Oasis 3, Bayshore 2: Austin Brock scored the game-winning run on a fielder's choice grounder with one out in the fourth inning Friday to clip Bayshore.
Brock (1-1) also pitched four innings in relief, giving up two hits while striking out four. Jake Hayden contributed two hits to the Sharks' cause with Peyton Palmer connecting for a two-run double in the first inning.
The Sharks (5-6) host Lemon Bay on Tuesday.
Ida Baker 15, Cape Coral 1: Sonnia Yiris slapped two base hits and drove in four runs to lead Baker's second rout of Cape Coral on Friday.
Felicia Bent also contributed two base hits and scored four runs. Eliza Cross added two hits and drove in two runs with a stand up double. Bent struck out nine Seahawks while surrendering one run on four hits.
Baker (6-8) travel to Lehigh on Monday.