The fans in the halls and the concourses at Citi Field afterward were alternately chanting “Let’s Go Mets” and “Pete A-Lon-So.”

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Mets fans are a resilient lot, even after enduring the horror of the previous eight games (all losses), and, in a few cases, the previous 63 seasons.

Somehow, through it all, the orange-and-blue faithful still believe. Or at least they hope to believe.

Pete Alonso’s walk-off three-run homer in the 10th inning changed the mood around the club, one that desperately needed changing. The $340 million club had lost eight straight and fallen as low as they’d been all year. The 5-2 win over a surprising, surging Rangers team finally brought life to a talented club that lately seemed headed for oblivion.