SCOTTSDALE, Ariz. — Leaning on a bat next to the Giants spring training dugout at Scottsdale Stadium on Wednesday, manager Bob Melvin navigated the delicate process of explaining how things unraveled at the end in San Diego. In 2022, the Padres — Melvin’s Padres — were a baseball rocketship, beating the 101-win Mets in New York, stunning the 111-win Dodgers and charging into the franchise’s first NCLS since 1998. A season later, things crumbled and soured as a lineup loaded with marquee stars failed to perform in the clutch and discord between Melvin and President of Baseball Operations A.J. P…
