PHILADELPHIA — He had started his Sunday with some stomach distress, played through it only to hit a baseball directly into his right foot, and now Bryson Stott was soaking wet after a plunge into the cold tub. He was on the trainer’s table during one of the greatest ninth-inning comebacks in Philadelphia Phillies history when he proclaimed to anyone who would listen.“Walk-off homer,” Stott said, “and I’m out there.”It had been 1,171 days since the Phillies hit a walk-off home run. It should not have happened Sunday afternoon because the Phillies trailed by four runs after sleepwalking through the first eight innings against the St. Louis Cardinals, a six-hour flight across the country awaited them, and a long winning streak absolved them for one uninspired effort.It took 18 minutes for the Phillies to create a lasting moment for this incredulous season. It was Phillies 6, Cardinals 4, and how can any reasonable person explain this? The team that ranked dead last in on-base percentage when August began strung together five two-strike hits and a walk to score six runs with two outs in the ninth inning to capture its ninth straight win. The team that looked old and tired 11 days ago when it departed St. Louis on Aug. 12 has rewritten everything.The whole thing is invigorating. “I’m ready to keep playing,” said Brandon Marsh, who was still wearing his cleats 40 minutes after Kyle Schwarber launched a baseball over the batter’s eye in center field at Citizens Bank Park. The ailing Stott was watching it on TV when he saw Schwarber admire his blast from the batter’s box.He knew.