Continuity minutes tell you more about June than any roster grade

How many minutes a team's rotation has already played together predicts playoff performance better than the talent on paper.

Every summer someone grades the offseason and the grades are almost useless, because they price talent acquired and ignore the thing that actually separates playoff teams, which is how long the group has been together.

The reason is specific. Playoff basketball is a game of half-second decisions inside a defence that has spent a week studying you. The tag on the roll man, the weak-side rotation, the second cut when the first one is covered, the shooter who relocates because he knows his guard will look there. Every one of those is a shared expectation between two players. You do not build that in film sessions. You build it by playing perhaps two thousand minutes together and being wrong a lot.

That is why a team that adds a very good player in February so often looks worse in April than it did in January. It is not that the player is bad. It is that the offence has lost its automatic reads and reverted to conscious ones, and conscious ones are half a second slower, which is the entire margin in a playoff game.

The uncomfortable implication is that patience is a competitive advantage that most front offices cannot afford to have, because the person who benefits from a three-year continuity curve is usually the general manager who replaced the one who started it. Job security runs on a shorter clock than team building, and everybody in the industry knows it.

I would take a slightly less talented team with three years of shared minutes over a better one assembled last August, in a seven-game series, most of the time. Not always. A genuine superstar overrides a lot. But at the level where the top four seeds are separated by very little, continuity is the tiebreak, and I would rather bet on it than on a summer grade.

The tell to watch for is not chemistry talk in interviews. It is what happens on the third defensive rotation of a possession, once the first two coverages have been broken. A group that has played together arrives; a new one points at each other. You can see it from the upper deck, and you can see it before the shot goes up.