No, this is not a Miami Heat season for the faint of heart. Then again, perhaps that is exactly what it is, considering fainting or palpitations would be two logical reactions to what has been transpiring for Erik Spoelstra’s team. The latest example of Miami mayhem was Tuesday night’s 100-97 victory over the Cleveland Cavaliers at Rocket Mortgage FieldHouse, a game not decided until Cleveland’s Donovan Mitchell was off with a potential game-tying 3-pointer at the buzzer. “Guys feel at least comfortable enough to be able to execute under that kind of context and pressure,” Spoelstra said of his team’s journey this season.