I think he gives significant input as to what he needs/wants. And Breslow does his best to fill those needs within the budget. And sometimes players have to move on to adjust that budget. Cora probably has some input there as well. But it’s limited. Basically, I mean, another team has to want the player, too.
But I doubt Cora ever wakes up, scrolls to MLBTR, and sees some Red Sox roster transaction he never saw coming. Never…