SAN FRANCISCO — The comeback efforts were ultimately for naught. The Giants scored two runs in the bottom of the ninth inning to push Wednesday night’s ballgame to extras but ultimately lost, 8-5, to the Miami Marlins and are now in danger of being swept at home by one of baseball’s worst teams.

But the episode, one that unfolded in the middle of a 12-5 loss to the Marlins, encapsulated the Giants’ collective frustrations. The frustration of being swept by Miami and finishing the nine-game home stand with six losses.

Eric Wagaman doubled in a run and later scored in a two-run second inning that gave Miami the lead for good as the visiting Marlins extended Justin Verlander's season-opening winless streak to 12 games with a 4-2 triumph over the San Francisco Giants in the opener of a three-game series Tuesday night.