Postseason clinch ‘just the beginning’ for Yanks

This was the kind of celebration that the Yankees dreamed about on those sun-drenched afternoons at George M. Steinbrenner Field in Tampa, Fla., when the glasses were more than half-filled with optimism about what “Baby Bombers” Greg Bird, Aaron Judge, Gary Sanchez and Luis Severino might be able to accomplish over a full big league campaign.