BOSTON — The Miami Heat might have to clear some room in Championship Alley.
That’s the name for the path from their home court to the locker room that is filled with wall-sized memories of greatness from Miami’s past. Gary Payton’s jumper that started their 2006 Finals comeback. Blood dripping down Udonis Haslem’s face in the fourth quarter of a vital playoff game. LeBron James’ icy stare in the iconic first quarter of his 45-point…