Stars switching teams has become completely normal, and now NBA teams aren’t expecting any guarantees.
When the Boston Celtics traded picks and players for Kyrie Irving, they did not believe it would be a short-term rental. They saw Kyrie as a foundational piece for the next great Boston team. Yet as his contract ends in a couple of weeks, Irving is widely expected to leave in free agency. This specter has already affected the Celtics’ other potential moves, namely by keeping them...