Jimmy Butler had 47 points, nine rebounds and eight assists and the Miami Heat forced the Eastern Conference finals to a decisive seventh game by beating the Boston Celtics 111-103 on Friday night.
Ten years after LeBron James scored 45 points in Boston to help the Heat avoid elimination in Game 6 of the conference finals en route to the first of their back-to-back NBA titles, Butler had 17 points in the fourth quarter to top him and send…