PEORIA, Ariz. — Extensions and expectations were thick in the air here a year ago. And then the kettlebell fell and the Padres never really got going — at least not before it was too late. Along the way, they were undone by infighting at the top, myriad disconnects inside the clubhouse and oh-so-many near misses. Since they last took the field, the Padres have lost their team owner, changed their manager, saw their closer and three-fifths of their starting rotation leave via free agency and traded away two-thirds of their outfield. A lot of change has led to a lot of questions as the humbled a…
